Index Ventures

Index Ventures is a venture capital firm founded in 1996, with offices in London, San Francisco, and Geneva. The firm focuses on partnering with entrepreneurs to transform innovative ideas into successful global businesses. It invests in a diverse range of sectors, including artificial intelligence, machine learning, fintech, healthcare, and mobility. Index Ventures has a notable track record of supporting high-profile companies such as Adyen, Deliveroo, Dropbox, and Slack, reflecting its commitment to fostering technology-driven enterprises. By leveraging its extensive experience and network, Index Ventures aims to empower exceptional founders in reshaping industries and driving forward the future of business.

Nina Achadjian

Partner

Julia Andre

Principal / Partner

Damir Becirovic

Partner

Carlos Gonzalez-Cadenas

Partner

Sofia Dolfe

Principal, Partner

Paula Garcia Domingo

Partner and Investor

Mark Fiorentino

Partner

Giacomo Genzini

Partner and Investor

Kyle Harrison

Principal

Paris Heymann

Partner and Investor

Jack Kleeman

Partner

Stephane Kurgan

Venture Partner

Adrianna Ma

Operating Partner

Bryan Offut

Principal / Partner

Bryan Offutt

Partner and Investor

Shimin Ooi

Partner

Cyriac Parisot

VC Investor and Head of Data

Erin Price-Wright

Principal / Partner

Neil Rimer

General Partner, Founder

Danny Rimer

Partner

Jahanvi Sardana

Partner

Shardul Shah

Partner

Kimihiko Shindo

General Partner

Georgia Stevenson

Principal / Partner

Ishani Thakur

Partner and investor

Kelly Toole

Partner

Dominique Vidal

Venture Partner

Katharina Wilhelm

Principal, Partner

Catherine Wu

Partner

Past deals in Open Source

Temporal

Series C in 2025
Temporal Technologies Inc. is a software company based in Bellevue, Washington, established in 2019. It develops an open-source microservices orchestration engine that enables developers to create and manage scalable distributed applications, workflow functions, and data pipelines. The platform supports seamless execution of development, debugging, and testing processes, along with resource provisioning and monitoring tools. It also offers solutions for financial transactions. Temporal's technology is designed to ensure the reliable completion of workflows of any size and complexity, incorporating features such as built-in support for exponential activity retries and compensation logic through the native saga pattern. Additionally, the company provides cloud services to enhance its offerings.

Mistral AI_

Seed Round in 2023
Mistral AI is a company focused on developing advanced artificial intelligence solutions, particularly in the realm of open-source models. It specializes in creating customizable and compute-efficient large language models that facilitate a range of applications, including natural language processing and complex problem-solving. Mistral AI aims to foster safe artificial general intelligence that benefits all users, allowing businesses and organizations to harness AI technology without the burden of building and maintaining their own models. Through a community-driven development approach, Mistral AI seeks to enhance efficiency, innovation, and decision-making for its clients.

Dagster Labs

Series B in 2023
Dagster Labs specializes in creating a data orchestration platform that enables organizations to efficiently develop, produce, and monitor their data assets. The company is focused on Dagster, an open-source Python library designed to facilitate the construction of modern data applications. This platform allows teams to collaborate effectively while processing and producing reliable data. By integrating seamlessly with existing tools and infrastructure, Dagster Labs helps clients build scalable and productive data platforms, enhancing their ability to manage and utilize data effectively.

Temporal

Series B in 2023
Temporal Technologies Inc. is a software company based in Bellevue, Washington, established in 2019. It develops an open-source microservices orchestration engine that enables developers to create and manage scalable distributed applications, workflow functions, and data pipelines. The platform supports seamless execution of development, debugging, and testing processes, along with resource provisioning and monitoring tools. It also offers solutions for financial transactions. Temporal's technology is designed to ensure the reliable completion of workflows of any size and complexity, incorporating features such as built-in support for exponential activity retries and compensation logic through the native saga pattern. Additionally, the company provides cloud services to enhance its offerings.

Temporal

Series B in 2022
Temporal Technologies Inc. is a software company based in Bellevue, Washington, established in 2019. It develops an open-source microservices orchestration engine that enables developers to create and manage scalable distributed applications, workflow functions, and data pipelines. The platform supports seamless execution of development, debugging, and testing processes, along with resource provisioning and monitoring tools. It also offers solutions for financial transactions. Temporal's technology is designed to ensure the reliable completion of workflows of any size and complexity, incorporating features such as built-in support for exponential activity retries and compensation logic through the native saga pattern. Additionally, the company provides cloud services to enhance its offerings.

Great Expectations

Series B in 2022
Great Expectations is a developer of an open-source data quality platform aimed at enhancing the speed and integrity of data collaboration. The platform facilitates testing of data pipelines, thereby improving overall data quality. By using machine learning algorithms, it provides tools for validating, documenting, and profiling data, which helps organizations eliminate pipeline debt. This approach enables clients to uphold their data standards and fosters better communication regarding data across different teams. Through its innovative solutions, Great Expectations seeks to establish a shared data quality standard in the industry.

Superconductive

Series B in 2022
Superconductive is the creator of Great Expectations, an open-source tool for data testing, documentation, and profiling. Great Expectations has a vibrant community where both core contributors and community members provide each other support through channels like Slack and Discuss. They offer paid consulting services to organizations that would benefit from closer collaboration with the core Great Expectations engineering team. It was created in 2017 and is headquartered in Redwood City, California.

SphereEx

Seed Round in 2022
SphereEx builds new distributed data infrastructures, by being fully committed to the open source community, the platform concept, and cutting-edge Big Data technological innovation. Our R&D efforts led to the success of ShardingSphere, a "platform, pluggable, cloud-native" distributed middleware solution ideal for large-scale data and data value-added applications. Our pioneering "Database Plus" and "Database Mesh" concepts are designed to unlock innovative data usage concepts, improve enterprise data applications, and easily respond to complex data scenarios. Following over 5 years of development, the ShardingSphere project has gained more than 13 thousand GitStars on GitHub, involving over 200 contributors, becoming one of the most popular open source projects. In April 2020, ShardingSphere successfully graduated from the Apache Incubator, and became an Apache Software Foundation Top-Level Project. More recently, ShardingSphere has also been recognized as a Cloud Native Computing Foundation (CNCF) Panorama project. To date, ShardingSphere has already been used in more than 160 enterprise and production environments covering the financial, logistics, O2O, internet & cloud computing fields, to help achieve enterprise digital transformation.

Cockroach Labs

Series F in 2021
Cockroach Labs, Inc. is a developer of open-source database software, primarily known for its distributed SQL database, CockroachDB. Founded in 2015 and headquartered in New York, with an additional office in Cambridge, Massachusetts, the company provides a cloud-native platform designed for modern application development. CockroachDB allows organizations to build scalable applications that can withstand various types of failures, including those at the disk, machine, rack, and datacenter levels, with minimal disruption and no manual intervention. The database supports strongly consistent ACID transactions and offers an SQL API for data manipulation and querying. Its software is utilized by a diverse range of customers, from startups to Fortune 500 companies, across various industries, providing enterprise-grade disaster recovery services and enabling rapid development without compromising on consistency.

Dagster Labs

Series A in 2021
Dagster Labs specializes in creating a data orchestration platform that enables organizations to efficiently develop, produce, and monitor their data assets. The company is focused on Dagster, an open-source Python library designed to facilitate the construction of modern data applications. This platform allows teams to collaborate effectively while processing and producing reliable data. By integrating seamlessly with existing tools and infrastructure, Dagster Labs helps clients build scalable and productive data platforms, enhancing their ability to manage and utilize data effectively.

ClickHouse

Series B in 2021
ClickHouse is an open-source, column-oriented database management system specifically designed for online analytical processing (OLAP). It enables users to generate real-time analytical reports through SQL queries, leveraging its unique architecture that offers compact storage and enhanced processing performance. The column-oriented design minimizes redundant data, optimizing CPU efficiency and contributing to ClickHouse's remarkable speed. The system is capable of handling extensive datasets efficiently, processing large volumes of rows and gigabytes of data swiftly while maintaining reduced storage requirements. This makes ClickHouse a reliable, scalable solution for enterprises seeking to streamline their data processing and improve query performance for analytical purposes.

ClickHouse

Series A in 2021
ClickHouse is an open-source, column-oriented database management system specifically designed for online analytical processing (OLAP). It enables users to generate real-time analytical reports through SQL queries, leveraging its unique architecture that offers compact storage and enhanced processing performance. The column-oriented design minimizes redundant data, optimizing CPU efficiency and contributing to ClickHouse's remarkable speed. The system is capable of handling extensive datasets efficiently, processing large volumes of rows and gigabytes of data swiftly while maintaining reduced storage requirements. This makes ClickHouse a reliable, scalable solution for enterprises seeking to streamline their data processing and improve query performance for analytical purposes.

Great Expectations

Series A in 2021
Great Expectations is a developer of an open-source data quality platform aimed at enhancing the speed and integrity of data collaboration. The platform facilitates testing of data pipelines, thereby improving overall data quality. By using machine learning algorithms, it provides tools for validating, documenting, and profiling data, which helps organizations eliminate pipeline debt. This approach enables clients to uphold their data standards and fosters better communication regarding data across different teams. Through its innovative solutions, Great Expectations seeks to establish a shared data quality standard in the industry.

Superconductive

Series A in 2021
Superconductive is the creator of Great Expectations, an open-source tool for data testing, documentation, and profiling. Great Expectations has a vibrant community where both core contributors and community members provide each other support through channels like Slack and Discuss. They offer paid consulting services to organizations that would benefit from closer collaboration with the core Great Expectations engineering team. It was created in 2017 and is headquartered in Redwood City, California.

Cockroach Labs

Series E in 2021
Cockroach Labs, Inc. is a developer of open-source database software, primarily known for its distributed SQL database, CockroachDB. Founded in 2015 and headquartered in New York, with an additional office in Cambridge, Massachusetts, the company provides a cloud-native platform designed for modern application development. CockroachDB allows organizations to build scalable applications that can withstand various types of failures, including those at the disk, machine, rack, and datacenter levels, with minimal disruption and no manual intervention. The database supports strongly consistent ACID transactions and offers an SQL API for data manipulation and querying. Its software is utilized by a diverse range of customers, from startups to Fortune 500 companies, across various industries, providing enterprise-grade disaster recovery services and enabling rapid development without compromising on consistency.

Cockroach Labs

Series D in 2020
Cockroach Labs, Inc. is a developer of open-source database software, primarily known for its distributed SQL database, CockroachDB. Founded in 2015 and headquartered in New York, with an additional office in Cambridge, Massachusetts, the company provides a cloud-native platform designed for modern application development. CockroachDB allows organizations to build scalable applications that can withstand various types of failures, including those at the disk, machine, rack, and datacenter levels, with minimal disruption and no manual intervention. The database supports strongly consistent ACID transactions and offers an SQL API for data manipulation and querying. Its software is utilized by a diverse range of customers, from startups to Fortune 500 companies, across various industries, providing enterprise-grade disaster recovery services and enabling rapid development without compromising on consistency.

Confluent

Series E in 2020
Confluent, Inc. is a technology company that specializes in developing a data platform for real-time data integration, stream processing, and analytics. The company’s offerings include a suite of products based on Apache Kafka, an open-source messaging system that facilitates the collection and processing of data from various sources. Key products include Confluent Cloud, a managed streaming data service; Confluent Operator, which manages Apache Kafka on Kubernetes; KSQL, an open-source streaming SQL engine for interactive queries; and ksqlDB, an event streaming database. Confluent's platform empowers organizations to create a real-time data pipeline, enabling immediate action on data insights. Founded in 2014 and headquartered in Mountain View, California, Confluent serves a range of sectors, including financial services, retail, automotive, and government, and generates most of its revenue from subscriptions and services primarily in the United States. The company also has additional offices in several major cities across the U.S., Europe, and Australia.

Cockroach Labs

Series C in 2019
Cockroach Labs, Inc. is a developer of open-source database software, primarily known for its distributed SQL database, CockroachDB. Founded in 2015 and headquartered in New York, with an additional office in Cambridge, Massachusetts, the company provides a cloud-native platform designed for modern application development. CockroachDB allows organizations to build scalable applications that can withstand various types of failures, including those at the disk, machine, rack, and datacenter levels, with minimal disruption and no manual intervention. The database supports strongly consistent ACID transactions and offers an SQL API for data manipulation and querying. Its software is utilized by a diverse range of customers, from startups to Fortune 500 companies, across various industries, providing enterprise-grade disaster recovery services and enabling rapid development without compromising on consistency.

Confluent

Series D in 2019
Confluent, Inc. is a technology company that specializes in developing a data platform for real-time data integration, stream processing, and analytics. The company’s offerings include a suite of products based on Apache Kafka, an open-source messaging system that facilitates the collection and processing of data from various sources. Key products include Confluent Cloud, a managed streaming data service; Confluent Operator, which manages Apache Kafka on Kubernetes; KSQL, an open-source streaming SQL engine for interactive queries; and ksqlDB, an event streaming database. Confluent's platform empowers organizations to create a real-time data pipeline, enabling immediate action on data insights. Founded in 2014 and headquartered in Mountain View, California, Confluent serves a range of sectors, including financial services, retail, automotive, and government, and generates most of its revenue from subscriptions and services primarily in the United States. The company also has additional offices in several major cities across the U.S., Europe, and Australia.

Big Switch Networks

Venture Round in 2017
Big Switch Networks Inc. specializes in data center networking technologies aimed at enhancing operational efficiency and agility for organizations worldwide. Founded in 2010 and headquartered in Santa Clara, California, the company offers a range of solutions including the Big Monitoring Fabric, which serves as a network packet broker for security chaining and visibility, and the Big Cloud Fabric, a software-defined networking solution compatible with various cloud environments such as VMware and OpenStack. These products facilitate improved networking capabilities in on-premises, public, and multi-cloud settings. Big Switch Networks has established partnerships with industry leaders like Dell EMC and HPE, and actively contributes to open-source networking communities. The company also has operations in Japan and maintains a presence in over 25 countries, reinforcing its commitment to providing innovative networking solutions.

Cockroach Labs

Series B in 2017
Cockroach Labs, Inc. is a developer of open-source database software, primarily known for its distributed SQL database, CockroachDB. Founded in 2015 and headquartered in New York, with an additional office in Cambridge, Massachusetts, the company provides a cloud-native platform designed for modern application development. CockroachDB allows organizations to build scalable applications that can withstand various types of failures, including those at the disk, machine, rack, and datacenter levels, with minimal disruption and no manual intervention. The database supports strongly consistent ACID transactions and offers an SQL API for data manipulation and querying. Its software is utilized by a diverse range of customers, from startups to Fortune 500 companies, across various industries, providing enterprise-grade disaster recovery services and enabling rapid development without compromising on consistency.

Confluent

Series C in 2017
Confluent, Inc. is a technology company that specializes in developing a data platform for real-time data integration, stream processing, and analytics. The company’s offerings include a suite of products based on Apache Kafka, an open-source messaging system that facilitates the collection and processing of data from various sources. Key products include Confluent Cloud, a managed streaming data service; Confluent Operator, which manages Apache Kafka on Kubernetes; KSQL, an open-source streaming SQL engine for interactive queries; and ksqlDB, an event streaming database. Confluent's platform empowers organizations to create a real-time data pipeline, enabling immediate action on data insights. Founded in 2014 and headquartered in Mountain View, California, Confluent serves a range of sectors, including financial services, retail, automotive, and government, and generates most of its revenue from subscriptions and services primarily in the United States. The company also has additional offices in several major cities across the U.S., Europe, and Australia.

Nginx

Series B in 2016
NGINX, now part of F5, is a company headquartered in San Francisco, California, specializing in technologies that support the development and delivery of modern applications. Established in 2011, NGINX is renowned for its high-performance load balancer, web server, and reverse proxy, all of which are part of its open-source offerings. The company’s platform facilitates multi-cloud application services, catering to developers' needs for ease-of-use and flexibility while meeting the demands of network operations teams for scale, security, and reliability. NGINX plays a crucial role in helping enterprises modernize legacy applications and implement new microservices-based architectures, thus supporting organizations in their digital transformation efforts.

Cockroach Labs

Series A in 2016
Cockroach Labs, Inc. is a developer of open-source database software, primarily known for its distributed SQL database, CockroachDB. Founded in 2015 and headquartered in New York, with an additional office in Cambridge, Massachusetts, the company provides a cloud-native platform designed for modern application development. CockroachDB allows organizations to build scalable applications that can withstand various types of failures, including those at the disk, machine, rack, and datacenter levels, with minimal disruption and no manual intervention. The database supports strongly consistent ACID transactions and offers an SQL API for data manipulation and querying. Its software is utilized by a diverse range of customers, from startups to Fortune 500 companies, across various industries, providing enterprise-grade disaster recovery services and enabling rapid development without compromising on consistency.

Big Switch Networks

Series C in 2016
Big Switch Networks Inc. specializes in data center networking technologies aimed at enhancing operational efficiency and agility for organizations worldwide. Founded in 2010 and headquartered in Santa Clara, California, the company offers a range of solutions including the Big Monitoring Fabric, which serves as a network packet broker for security chaining and visibility, and the Big Cloud Fabric, a software-defined networking solution compatible with various cloud environments such as VMware and OpenStack. These products facilitate improved networking capabilities in on-premises, public, and multi-cloud settings. Big Switch Networks has established partnerships with industry leaders like Dell EMC and HPE, and actively contributes to open-source networking communities. The company also has operations in Japan and maintains a presence in over 25 countries, reinforcing its commitment to providing innovative networking solutions.

SourceClear

Series A in 2015
SourceClear, Inc. develops security tools aimed at helping software developers create secure applications. Founded in 2012 and headquartered in San Francisco, with an additional office in Singapore, the company offers a range of services including an online portal for analyzing security issues, a database of open-source libraries that details vulnerabilities, and various scanning agents such as command line interfaces and plugins for build managers. Utilizing data science and machine learning, SourceClear enables developers to safely incorporate open-source components into their projects by providing real-time insights into library vulnerabilities and update recommendations within the continuous integration and delivery pipeline. The platform is designed to support DevSecOps by enhancing visibility into open-source code risks and helping organizations enforce security policies. SourceClear operates as a subsidiary of Veracode, Inc. and serves a diverse clientele across multiple industries, including technology, finance, and gaming.

Confluent

Series B in 2015
Confluent, Inc. is a technology company that specializes in developing a data platform for real-time data integration, stream processing, and analytics. The company’s offerings include a suite of products based on Apache Kafka, an open-source messaging system that facilitates the collection and processing of data from various sources. Key products include Confluent Cloud, a managed streaming data service; Confluent Operator, which manages Apache Kafka on Kubernetes; KSQL, an open-source streaming SQL engine for interactive queries; and ksqlDB, an event streaming database. Confluent's platform empowers organizations to create a real-time data pipeline, enabling immediate action on data insights. Founded in 2014 and headquartered in Mountain View, California, Confluent serves a range of sectors, including financial services, retail, automotive, and government, and generates most of its revenue from subscriptions and services primarily in the United States. The company also has additional offices in several major cities across the U.S., Europe, and Australia.

MinIO

Seed Round in 2015
MinIO, Inc. is a developer of a high-performance, open-source object storage server that is compatible with Amazon S3 APIs. Founded in 2014 and based in Palo Alto, California, the company specializes in providing a Kubernetes-native object store optimized for cloud-native workloads. MinIO's platform is designed to support the growing demands of unstructured data, allowing enterprises to manage various workloads such as machine learning, analytics, and data backup from a single solution. It enables application developers to create their own cloud storage systems for diverse data types, including images, videos, and log files, while ensuring portability across both public and private cloud environments. Additionally, MinIO offers a public play server that allows developers and system administrators to familiarize themselves with S3-compatible object storage.

Nginx

Series B in 2014
NGINX, now part of F5, is a company headquartered in San Francisco, California, specializing in technologies that support the development and delivery of modern applications. Established in 2011, NGINX is renowned for its high-performance load balancer, web server, and reverse proxy, all of which are part of its open-source offerings. The company’s platform facilitates multi-cloud application services, catering to developers' needs for ease-of-use and flexibility while meeting the demands of network operations teams for scale, security, and reliability. NGINX plays a crucial role in helping enterprises modernize legacy applications and implement new microservices-based architectures, thus supporting organizations in their digital transformation efforts.

Elastic

Series C in 2014
Elastic is a technology company that develops the open-source Elastic Stack, which includes Elasticsearch, Kibana, Beats, and Logstash, as well as commercial features through X-Pack and Elastic Cloud, a suite of SaaS offerings. The company's flagship product, Elasticsearch, is a distributed, RESTful search and analytics engine designed for scalability and speed, supporting diverse applications such as search, logging, metrics, and data security. With more than 250 million cumulative downloads, Elastic's solutions are utilized by a wide array of organizations, including Cisco, eBay, Goldman Sachs, NASA, and The New York Times, to manage mission-critical systems. The company's architecture is optimized for low latency and includes native vector database capabilities. Elastic has a global workforce of over 900 employees across 30 countries, reflecting its commitment to innovation and customer service in the field of data management and analytics.

Hortonworks

Series D in 2014
Hortonworks, Inc. is a provider of data management platforms and solutions that cater to a diverse range of industries, including financial services, healthcare, and telecommunications. The company specializes in the Hortonworks Data Platform (HDP), which is based on Apache Hadoop, allowing enterprises to store, manage, and analyze large datasets efficiently. In addition to HDP, Hortonworks offers Hortonworks DataFlow for real-time streaming analytics, Hortonworks DataPlane Service for data management across hybrid environments, and the Hortonworks Cybersecurity Platform for security analytics. The company also provides educational resources such as training, support services, and the Hortonworks Sandbox for testing and development. Founded in 2011 and headquartered in Santa Clara, California, Hortonworks operates globally and focuses on enabling organizations to harness the power of big data through its open-source solutions. As of early 2019, Hortonworks operates as a subsidiary of Cloudera, Inc.

Hortonworks

Series C in 2013
Hortonworks, Inc. is a provider of data management platforms and solutions that cater to a diverse range of industries, including financial services, healthcare, and telecommunications. The company specializes in the Hortonworks Data Platform (HDP), which is based on Apache Hadoop, allowing enterprises to store, manage, and analyze large datasets efficiently. In addition to HDP, Hortonworks offers Hortonworks DataFlow for real-time streaming analytics, Hortonworks DataPlane Service for data management across hybrid environments, and the Hortonworks Cybersecurity Platform for security analytics. The company also provides educational resources such as training, support services, and the Hortonworks Sandbox for testing and development. Founded in 2011 and headquartered in Santa Clara, California, Hortonworks operates globally and focuses on enabling organizations to harness the power of big data through its open-source solutions. As of early 2019, Hortonworks operates as a subsidiary of Cloudera, Inc.

Elastic

Series B in 2013
Elastic is a technology company that develops the open-source Elastic Stack, which includes Elasticsearch, Kibana, Beats, and Logstash, as well as commercial features through X-Pack and Elastic Cloud, a suite of SaaS offerings. The company's flagship product, Elasticsearch, is a distributed, RESTful search and analytics engine designed for scalability and speed, supporting diverse applications such as search, logging, metrics, and data security. With more than 250 million cumulative downloads, Elastic's solutions are utilized by a wide array of organizations, including Cisco, eBay, Goldman Sachs, NASA, and The New York Times, to manage mission-critical systems. The company's architecture is optimized for low latency and includes native vector database capabilities. Elastic has a global workforce of over 900 employees across 30 countries, reflecting its commitment to innovation and customer service in the field of data management and analytics.

Big Switch Networks

Series B in 2012
Big Switch Networks Inc. specializes in data center networking technologies aimed at enhancing operational efficiency and agility for organizations worldwide. Founded in 2010 and headquartered in Santa Clara, California, the company offers a range of solutions including the Big Monitoring Fabric, which serves as a network packet broker for security chaining and visibility, and the Big Cloud Fabric, a software-defined networking solution compatible with various cloud environments such as VMware and OpenStack. These products facilitate improved networking capabilities in on-premises, public, and multi-cloud settings. Big Switch Networks has established partnerships with industry leaders like Dell EMC and HPE, and actively contributes to open-source networking communities. The company also has operations in Japan and maintains a presence in over 25 countries, reinforcing its commitment to providing innovative networking solutions.

Pentaho

Series C in 2012
Pentaho Corporation is a data integration and business analytics company that offers an open-source platform designed for various big data deployments. Founded in 2004 and headquartered in Orlando, Florida, with an office in Tokyo, Japan, Pentaho provides a comprehensive suite of tools for data analysis, visualization, reporting, and predictive analytics. Its platform facilitates the extraction, preparation, and blending of data, enabling organizations to uncover actionable insights. Pentaho also specializes in embedded analytics solutions, cloud business analytics, and integration of Internet of Things data, allowing businesses to synthesize information from both traditional systems and big data environments. Additionally, the company offers custom dashboards, visualizations, consulting, training, and technical support services. With a diverse clientele across industries such as healthcare, retail, and financial services, Pentaho serves over 1,200 enterprise customers worldwide. The company is recognized for its contributions to key open-source analytics projects and operates under a subscription-based business model.

Hortonworks

Series B in 2011
Hortonworks, Inc. is a provider of data management platforms and solutions that cater to a diverse range of industries, including financial services, healthcare, and telecommunications. The company specializes in the Hortonworks Data Platform (HDP), which is based on Apache Hadoop, allowing enterprises to store, manage, and analyze large datasets efficiently. In addition to HDP, Hortonworks offers Hortonworks DataFlow for real-time streaming analytics, Hortonworks DataPlane Service for data management across hybrid environments, and the Hortonworks Cybersecurity Platform for security analytics. The company also provides educational resources such as training, support services, and the Hortonworks Sandbox for testing and development. Founded in 2011 and headquartered in Santa Clara, California, Hortonworks operates globally and focuses on enabling organizations to harness the power of big data through its open-source solutions. As of early 2019, Hortonworks operates as a subsidiary of Cloudera, Inc.

Big Switch Networks

Series A in 2011
Big Switch Networks Inc. specializes in data center networking technologies aimed at enhancing operational efficiency and agility for organizations worldwide. Founded in 2010 and headquartered in Santa Clara, California, the company offers a range of solutions including the Big Monitoring Fabric, which serves as a network packet broker for security chaining and visibility, and the Big Cloud Fabric, a software-defined networking solution compatible with various cloud environments such as VMware and OpenStack. These products facilitate improved networking capabilities in on-premises, public, and multi-cloud settings. Big Switch Networks has established partnerships with industry leaders like Dell EMC and HPE, and actively contributes to open-source networking communities. The company also has operations in Japan and maintains a presence in over 25 countries, reinforcing its commitment to providing innovative networking solutions.

Big Switch Networks

Seed Round in 2010
Big Switch Networks Inc. specializes in data center networking technologies aimed at enhancing operational efficiency and agility for organizations worldwide. Founded in 2010 and headquartered in Santa Clara, California, the company offers a range of solutions including the Big Monitoring Fabric, which serves as a network packet broker for security chaining and visibility, and the Big Cloud Fabric, a software-defined networking solution compatible with various cloud environments such as VMware and OpenStack. These products facilitate improved networking capabilities in on-premises, public, and multi-cloud settings. Big Switch Networks has established partnerships with industry leaders like Dell EMC and HPE, and actively contributes to open-source networking communities. The company also has operations in Japan and maintains a presence in over 25 countries, reinforcing its commitment to providing innovative networking solutions.

Zend

Series E in 2010
Zend Technologies Ltd. specializes in solutions for developing, deploying, and managing PHP applications, which are essential for many web and mobile platforms. The company offers a range of products including Z-Ray, a PHP debugging tool, and Zend Server, an integrated platform that streamlines the application lifecycle from development to production. Additional offerings include Zend Studio, an environment for mobile application development, and Zend Guard, which protects applications from unauthorized use. Zend also provides Apigility for API development and Zend Framework for building PHP applications. The company serves a diverse clientele, from small businesses to large enterprises, and its solutions are accessible through partnerships and an online store. With operations in multiple countries and partnerships with major technology firms, Zend Technologies aims to enhance the reliability, performance, and security of PHP applications in both on-premise and cloud environments. Founded in 1999 and headquartered in Cupertino, California, Zend operates as a subsidiary of Rogue Wave Software, Inc.

Cloud.com

Series B in 2010
Cloud.com is a venture-backed startup based out of Cupertino that develops an open source cloud orchestration software product for the implementation of public and private cloud computing environments. Their software, CloudStack, is designed to make it easier for Service Providers and Enterprises to build, manage and deploy IaaS offerings similar to Amazon EC2 and S3. CloudStack is available in three editions: the Enterprise Edition, the Service Provider Edition and the open-source Community Edition. The company changed its name from VMOps to Cloud.com on May 4th, 2010.

Gluster

Series A in 2008
Gluster is an open source, distributed file system that is capable of scaling to several petabytes and handling many clients. In order to simplify the task of storing and managing the growth of unstructured data, Gluster has created and delivered open source scale-out cloud storage software. It allows enterprises to combine large numbers of commodity storage and compute resources into a high performance, virtualized, and centrally managed pool. Gluster has been deployed by hundreds of global enterprises and service providers across industries including media, healthcare, consumer internet, energy, and biotech. It is based on a stackable user space design and can deliver high performance for diverse workloads. It has many attributes that includes: Scalability and Performance, Global Namespace, Elastic Hash Algorithm, Elastic Volume Manager, and Standards-based. Gluster is privately-held and headquartered in Sunnyvale, California.

Dimdim

Series B in 2008
Dimdim provides a browser-based web conferencing service that enables users to host and attend meetings without the need for software downloads. Built on an open source platform, it allows users to download the code for installation on their own servers. The service facilitates various forms of interaction, including desktop sharing, slide presentations, audio communication, and video broadcasting, as well as chat functionality. Dimdim's offerings include Dimdim Pro and Dimdim Enterprise, which support content sharing and management, web collaboration, and real-time communication among participants.

Dimdim

Series A in 2007
Dimdim provides a browser-based web conferencing service that enables users to host and attend meetings without the need for software downloads. Built on an open source platform, it allows users to download the code for installation on their own servers. The service facilitates various forms of interaction, including desktop sharing, slide presentations, audio communication, and video broadcasting, as well as chat functionality. Dimdim's offerings include Dimdim Pro and Dimdim Enterprise, which support content sharing and management, web collaboration, and real-time communication among participants.

Zend

Series D in 2006
Zend Technologies Ltd. specializes in solutions for developing, deploying, and managing PHP applications, which are essential for many web and mobile platforms. The company offers a range of products including Z-Ray, a PHP debugging tool, and Zend Server, an integrated platform that streamlines the application lifecycle from development to production. Additional offerings include Zend Studio, an environment for mobile application development, and Zend Guard, which protects applications from unauthorized use. Zend also provides Apigility for API development and Zend Framework for building PHP applications. The company serves a diverse clientele, from small businesses to large enterprises, and its solutions are accessible through partnerships and an online store. With operations in multiple countries and partnerships with major technology firms, Zend Technologies aims to enhance the reliability, performance, and security of PHP applications in both on-premise and cloud environments. Founded in 1999 and headquartered in Cupertino, California, Zend operates as a subsidiary of Rogue Wave Software, Inc.

Pentaho

Series B in 2006
Pentaho Corporation is a data integration and business analytics company that offers an open-source platform designed for various big data deployments. Founded in 2004 and headquartered in Orlando, Florida, with an office in Tokyo, Japan, Pentaho provides a comprehensive suite of tools for data analysis, visualization, reporting, and predictive analytics. Its platform facilitates the extraction, preparation, and blending of data, enabling organizations to uncover actionable insights. Pentaho also specializes in embedded analytics solutions, cloud business analytics, and integration of Internet of Things data, allowing businesses to synthesize information from both traditional systems and big data environments. Additionally, the company offers custom dashboards, visualizations, consulting, training, and technical support services. With a diverse clientele across industries such as healthcare, retail, and financial services, Pentaho serves over 1,200 enterprise customers worldwide. The company is recognized for its contributions to key open-source analytics projects and operates under a subscription-based business model.

AllPeers

Series A in 2006
AllPeers is an open-source software extension for the Mozilla Firefox browser that allows users to share files, folders, web page images, and links from right within their Firefox browsers using P2P (peer-to-peer) technology. The AllPeers Navigator enables users to maintain contacts, chat, and share items with the people on their lists. Users can include a subject line and a text message when sharing items. When other users share items with them, a notification appears in the bottom right hand corner of their browser window. The ""add a contact"" button lets users import contacts from Gmail, Hotmail, Outlook, and more. Files, folders, and images that users wish to share can be dragged and dropped into the Share window. Links to web pages can be shared by dragging and dropping the page's browser tab into the Share window. Download location and bandwidth speed can be set using the toolbar's Preferences button. AllPeers was launched by Cedric Maloux and Matthew Gertner and is operated from Oxford, United Kingdom.

Pentaho

Series A in 2005
Pentaho Corporation is a data integration and business analytics company that offers an open-source platform designed for various big data deployments. Founded in 2004 and headquartered in Orlando, Florida, with an office in Tokyo, Japan, Pentaho provides a comprehensive suite of tools for data analysis, visualization, reporting, and predictive analytics. Its platform facilitates the extraction, preparation, and blending of data, enabling organizations to uncover actionable insights. Pentaho also specializes in embedded analytics solutions, cloud business analytics, and integration of Internet of Things data, allowing businesses to synthesize information from both traditional systems and big data environments. Additionally, the company offers custom dashboards, visualizations, consulting, training, and technical support services. With a diverse clientele across industries such as healthcare, retail, and financial services, Pentaho serves over 1,200 enterprise customers worldwide. The company is recognized for its contributions to key open-source analytics projects and operates under a subscription-based business model.

SourceLabs

Series A in 2004
SourceLabs is a provider of tools and services designed to support open source software, particularly in enterprise environments. The company specializes in offering subscriptions for enterprise support, maintenance, and upgrades related to open source software, including its proprietary Open Source Management System. Additionally, SourceLabs is associated with SWiK, a community-driven wiki that documents various open source projects. The company's focus on infrastructure software systems caters to the needs of the information technology industry, facilitating the effective use and management of open source solutions.

Zend

Series C in 2004
Zend Technologies Ltd. specializes in solutions for developing, deploying, and managing PHP applications, which are essential for many web and mobile platforms. The company offers a range of products including Z-Ray, a PHP debugging tool, and Zend Server, an integrated platform that streamlines the application lifecycle from development to production. Additional offerings include Zend Studio, an environment for mobile application development, and Zend Guard, which protects applications from unauthorized use. Zend also provides Apigility for API development and Zend Framework for building PHP applications. The company serves a diverse clientele, from small businesses to large enterprises, and its solutions are accessible through partnerships and an online store. With operations in multiple countries and partnerships with major technology firms, Zend Technologies aims to enhance the reliability, performance, and security of PHP applications in both on-premise and cloud environments. Founded in 1999 and headquartered in Cupertino, California, Zend operates as a subsidiary of Rogue Wave Software, Inc.

MySQL

Series B in 2003
MySQL is an open-source database management system that enables scalable web-based and embedded applications. Founded in 1995 by David Axmark and Michael Widenius, the company is headquartered in Cupertino, California. MySQL offers a range of products, including enterprise-level support packages that provide comprehensive service and free downloads of its latest software versions. The platform also features an online community with forums, articles, and documentation to support users. MySQL’s software is designed to enhance scalability, security, reliability, and uptime for businesses, while its enterprise servers facilitate network monitoring and production support. Additionally, the database clustering architecture allows clients to implement mission-critical solutions, thereby improving business agility and reducing operational costs.
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