Index Ventures

Cartesia provides real-time multimodal intelligence for all devices. Its objective is to develop the next generation of AI: pervasive, interactive intelligence that operates everywhere.

Cartesia provides real-time multimodal intelligence for all devices. Its objective is to develop the next generation of AI: pervasive, interactive intelligence that operates everywhere.

Incident.io is a Slack-integrated incident management tool that streamlines the process of announcing, managing, and resolving incidents within a single channel. The platform facilitates effective communication during outages by enabling organizations to report incidents in a consistent format. It provides default solutions for incident handling, such as creating dedicated communication channels for team discussions, updating customers, and assigning specific roles to team members. Additionally, Incident.io offers a virtual war room feature for managing incidents directly within Slack, and it automates key workflows to enhance efficiency. This approach helps organizations respond more effectively to incidents and improves overall communication during critical situations.

ReadySet is a distributed SQL caching layer that precomputes the results of parameterized SQL queries and incrementally updates these results as the underlying data changes. It is wire-compatible with MySQL and Postgres, plugs directly into existing databases and applications without any code changes, and elastically scales read throughput to meet fluctuating demands. ReadySet offers the low latencies of a custom caching system and the high query throughputs of read replicas with the straightforward developer experience of using a single relational database.

Tactic is a data automation platform that streamlines the research process by automating manual workflows associated with data, insights, and research. The platform allows users to conduct multiple searches across various sources using specific keywords, eliminating the need for repetitive tasks such as searching, reading, and compiling information. By offering actionable information in a streamlined format, Tactic enables clients to make informed decisions more efficiently and effectively. This service is particularly beneficial for those who spend significant time gathering information, as it enhances productivity and provides deeper insights.

Deepnote is a company that specializes in developing a collaborative data science notebook aimed at teams of data scientists. Founded in 2019 and based in Prague, Czech Republic, Deepnote provides a browser-based platform that enables users to connect, explore, and analyze data in real time. The notebook includes essential features such as version control, code review, and the reusability of algorithms, facilitating seamless collaboration among team members. Users can share project links with collaborators or end-users to present polished outputs, while also benefiting from tools like code intelligence, dashboards, and APIs. Deepnote is designed to enhance the productivity of data scientists by enabling efficient sharing and discussion within a unified environment.

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.

Incident.io is a Slack-integrated incident management tool that streamlines the process of announcing, managing, and resolving incidents within a single channel. The platform facilitates effective communication during outages by enabling organizations to report incidents in a consistent format. It provides default solutions for incident handling, such as creating dedicated communication channels for team discussions, updating customers, and assigning specific roles to team members. Additionally, Incident.io offers a virtual war room feature for managing incidents directly within Slack, and it automates key workflows to enhance efficiency. This approach helps organizations respond more effectively to incidents and improves overall communication during critical situations.

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.

AttackIQ, Inc. is a cybersecurity company that specializes in providing a Breach & Attack Simulation (BAS) platform designed to help organizations assess the effectiveness of their security controls. Founded in 2013 and headquartered in San Diego, California, the company offers a platform that integrates with existing networks to deliver insights into security programs, identifying gaps in coverage and misconfigurations. By supporting the MITRE ATT&CK Matrix, AttackIQ enables organizations to simulate real-world attack scenarios, thereby allowing security teams to evaluate their defenses and prioritize remediation efforts effectively. The platform automates security assessments, empowering users to create custom scenarios or utilize a library of pre-defined attacks to continuously test their environments. This approach helps businesses to validate their security measures in a real-world context rather than relying solely on theoretical simulations. AttackIQ also has regional offices in Sydney and Melbourne, Australia, extending its global reach in cybersecurity solutions.

Cutover is a work orchestration and observability platform that enhances organizational visibility into dynamic workflows. Established in 2013 in Shoreditch, Hackney by Craig Gregory, Ky Nichol, and Marcus Wildsmith, the platform is designed to help teams prepare for critical events that may challenge their infrastructure by facilitating rehearsals. It enables executives and managers to visualize performance data and identify issues in real-time. Additionally, Cutover supports seamless collaboration between human and machine processes, offering features for cyber recovery, cloud migration, IT disaster recovery, and release management. By integrating with various SaaS platforms, Cutover enhances communication and simplifies complex tasks for enterprises, ultimately reducing risk and costs.

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.

Deepnote is a company that specializes in developing a collaborative data science notebook aimed at teams of data scientists. Founded in 2019 and based in Prague, Czech Republic, Deepnote provides a browser-based platform that enables users to connect, explore, and analyze data in real time. The notebook includes essential features such as version control, code review, and the reusability of algorithms, facilitating seamless collaboration among team members. Users can share project links with collaborators or end-users to present polished outputs, while also benefiting from tools like code intelligence, dashboards, and APIs. Deepnote is designed to enhance the productivity of data scientists by enabling efficient sharing and discussion within a unified environment.

Cutover is a work orchestration and observability platform that enhances organizational visibility into dynamic workflows. Established in 2013 in Shoreditch, Hackney by Craig Gregory, Ky Nichol, and Marcus Wildsmith, the platform is designed to help teams prepare for critical events that may challenge their infrastructure by facilitating rehearsals. It enables executives and managers to visualize performance data and identify issues in real-time. Additionally, Cutover supports seamless collaboration between human and machine processes, offering features for cyber recovery, cloud migration, IT disaster recovery, and release management. By integrating with various SaaS platforms, Cutover enhances communication and simplifies complex tasks for enterprises, ultimately reducing risk and costs.

AttackIQ, Inc. is a cybersecurity company that specializes in providing a Breach & Attack Simulation (BAS) platform designed to help organizations assess the effectiveness of their security controls. Founded in 2013 and headquartered in San Diego, California, the company offers a platform that integrates with existing networks to deliver insights into security programs, identifying gaps in coverage and misconfigurations. By supporting the MITRE ATT&CK Matrix, AttackIQ enables organizations to simulate real-world attack scenarios, thereby allowing security teams to evaluate their defenses and prioritize remediation efforts effectively. The platform automates security assessments, empowering users to create custom scenarios or utilize a library of pre-defined attacks to continuously test their environments. This approach helps businesses to validate their security measures in a real-world context rather than relying solely on theoretical simulations. AttackIQ also has regional offices in Sydney and Melbourne, Australia, extending its global reach in cybersecurity solutions.

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.

Chartbeat Inc. is a content intelligence platform founded in 2009 and based in New York, providing software tools designed for publishers to build and retain loyal audiences. The company's offerings include Chartbeat Publishing, a suite of audience-building tools that analyze real-time and historical editorial metrics across various platforms, including desktop, social, and mobile. Chartbeat helps digital publishers understand audience engagement by delivering insights into visitor behavior, traffic sources, and social media interactions. The platform also offers real-time analytics, alerting clients to website performance issues such as crashes or slow load times. By enabling media organizations to measure and optimize their content's impact, Chartbeat aims to enhance audience growth and increase subscriber revenue. The company serves clients both in the United States and internationally.

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.

AttackIQ, Inc. is a cybersecurity company that specializes in providing a Breach & Attack Simulation (BAS) platform designed to help organizations assess the effectiveness of their security controls. Founded in 2013 and headquartered in San Diego, California, the company offers a platform that integrates with existing networks to deliver insights into security programs, identifying gaps in coverage and misconfigurations. By supporting the MITRE ATT&CK Matrix, AttackIQ enables organizations to simulate real-world attack scenarios, thereby allowing security teams to evaluate their defenses and prioritize remediation efforts effectively. The platform automates security assessments, empowering users to create custom scenarios or utilize a library of pre-defined attacks to continuously test their environments. This approach helps businesses to validate their security measures in a real-world context rather than relying solely on theoretical simulations. AttackIQ also has regional offices in Sydney and Melbourne, Australia, extending its global reach in cybersecurity solutions.

OmniVirt is a technology company based in Millbrae, California, specializing in a virtual reality and 360° video distribution platform for brands and publishers. Established in 2012, the platform allows brands to easily upload, promote, and analyze immersive advertising content across a wide network of publishers. OmniVirt's innovative technology supports the creation of various ad formats, including 360°, 3D, VR, and AR, which have been shown to deliver significantly higher performance compared to traditional advertising methods. The platform is designed to be ad platform agnostic and boasts 99% browser compatibility, making it accessible for digital marketers. OmniVirt is recognized for its collaboration with renowned publishers such as The New York Times, The Wall Street Journal, and Forbes, enhancing the reach and effectiveness of immersive advertising campaigns.

Datadog, Inc. is a monitoring and analytics platform that serves developers, IT operations teams, and business users globally. Founded in 2010 and headquartered in New York, it offers a comprehensive SaaS solution that integrates infrastructure monitoring, application performance monitoring, and log management, enabling real-time observability of technology stacks. The platform collects and analyzes data from various sources, including servers, containers, and databases, helping organizations to avoid downtime, resolve performance issues, and enhance user experiences. Additionally, Datadog provides features such as advanced analytics, sophisticated dashboards, collaboration tools, and alerting capabilities, facilitating efficient operations for DevOps teams and ensuring optimal performance across IT infrastructures.

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.

Chartbeat Inc. is a content intelligence platform founded in 2009 and based in New York, providing software tools designed for publishers to build and retain loyal audiences. The company's offerings include Chartbeat Publishing, a suite of audience-building tools that analyze real-time and historical editorial metrics across various platforms, including desktop, social, and mobile. Chartbeat helps digital publishers understand audience engagement by delivering insights into visitor behavior, traffic sources, and social media interactions. The platform also offers real-time analytics, alerting clients to website performance issues such as crashes or slow load times. By enabling media organizations to measure and optimize their content's impact, Chartbeat aims to enhance audience growth and increase subscriber revenue. The company serves clients both in the United States and internationally.

Datadog, Inc. is a monitoring and analytics platform that serves developers, IT operations teams, and business users globally. Founded in 2010 and headquartered in New York, it offers a comprehensive SaaS solution that integrates infrastructure monitoring, application performance monitoring, and log management, enabling real-time observability of technology stacks. The platform collects and analyzes data from various sources, including servers, containers, and databases, helping organizations to avoid downtime, resolve performance issues, and enhance user experiences. Additionally, Datadog provides features such as advanced analytics, sophisticated dashboards, collaboration tools, and alerting capabilities, facilitating efficient operations for DevOps teams and ensuring optimal performance across IT infrastructures.

Chartbeat Inc. is a content intelligence platform founded in 2009 and based in New York, providing software tools designed for publishers to build and retain loyal audiences. The company's offerings include Chartbeat Publishing, a suite of audience-building tools that analyze real-time and historical editorial metrics across various platforms, including desktop, social, and mobile. Chartbeat helps digital publishers understand audience engagement by delivering insights into visitor behavior, traffic sources, and social media interactions. The platform also offers real-time analytics, alerting clients to website performance issues such as crashes or slow load times. By enabling media organizations to measure and optimize their content's impact, Chartbeat aims to enhance audience growth and increase subscriber revenue. The company serves clients both in the United States and internationally.

Datadog, Inc. is a monitoring and analytics platform that serves developers, IT operations teams, and business users globally. Founded in 2010 and headquartered in New York, it offers a comprehensive SaaS solution that integrates infrastructure monitoring, application performance monitoring, and log management, enabling real-time observability of technology stacks. The platform collects and analyzes data from various sources, including servers, containers, and databases, helping organizations to avoid downtime, resolve performance issues, and enhance user experiences. Additionally, Datadog provides features such as advanced analytics, sophisticated dashboards, collaboration tools, and alerting capabilities, facilitating efficient operations for DevOps teams and ensuring optimal performance across IT infrastructures.

ERPLY provides SaaS-based solutions for commercial retail inventory that handles data across physical shops, online stores, and warehouses. It also offers real-time dashboards with relevant data. The company’s software is integrated with other platforms, including a range of accounting and web-shop outlets; and mobile credit card readers for handheld mobile devices to deliver payments for large and small businesses. It offers its solutions to retail stores to build customer relationships and track valuable inventory; car service markets to maintain cars and schedule and assign jobs; salons and spas to avoid double booking; and cafes and delis. ERPLY was founded in 2009 and is based in London, United Kingdom.

Datadog, Inc. is a monitoring and analytics platform that serves developers, IT operations teams, and business users globally. Founded in 2010 and headquartered in New York, it offers a comprehensive SaaS solution that integrates infrastructure monitoring, application performance monitoring, and log management, enabling real-time observability of technology stacks. The platform collects and analyzes data from various sources, including servers, containers, and databases, helping organizations to avoid downtime, resolve performance issues, and enhance user experiences. Additionally, Datadog provides features such as advanced analytics, sophisticated dashboards, collaboration tools, and alerting capabilities, facilitating efficient operations for DevOps teams and ensuring optimal performance across IT infrastructures.

Chartbeat Inc. is a content intelligence platform founded in 2009 and based in New York, providing software tools designed for publishers to build and retain loyal audiences. The company's offerings include Chartbeat Publishing, a suite of audience-building tools that analyze real-time and historical editorial metrics across various platforms, including desktop, social, and mobile. Chartbeat helps digital publishers understand audience engagement by delivering insights into visitor behavior, traffic sources, and social media interactions. The platform also offers real-time analytics, alerting clients to website performance issues such as crashes or slow load times. By enabling media organizations to measure and optimize their content's impact, Chartbeat aims to enhance audience growth and increase subscriber revenue. The company serves clients both in the United States and internationally.

Chartbeat Inc. is a content intelligence platform founded in 2009 and based in New York, providing software tools designed for publishers to build and retain loyal audiences. The company's offerings include Chartbeat Publishing, a suite of audience-building tools that analyze real-time and historical editorial metrics across various platforms, including desktop, social, and mobile. Chartbeat helps digital publishers understand audience engagement by delivering insights into visitor behavior, traffic sources, and social media interactions. The platform also offers real-time analytics, alerting clients to website performance issues such as crashes or slow load times. By enabling media organizations to measure and optimize their content's impact, Chartbeat aims to enhance audience growth and increase subscriber revenue. The company serves clients both in the United States and internationally.

TweetDeck is a Twitter client designed for desktop, web, and mobile devices, featuring a unique columned user interface that allows users to manage and monitor Twitter feeds efficiently. Originally developed as an Adobe AIR application, TweetDeck enables users to organize their main feed into topic or group-specific columns, offering a broader overview of tweets in real-time. The application integrates various social media services, including Twitter and Facebook, to enhance user experience. In 2011, TweetDeck was acquired by Twitter, which subsequently rebuilt the application using HTML5 technology, further improving its functionality and accessibility.

ERPLY provides SaaS-based solutions for commercial retail inventory that handles data across physical shops, online stores, and warehouses. It also offers real-time dashboards with relevant data. The company’s software is integrated with other platforms, including a range of accounting and web-shop outlets; and mobile credit card readers for handheld mobile devices to deliver payments for large and small businesses. It offers its solutions to retail stores to build customer relationships and track valuable inventory; car service markets to maintain cars and schedule and assign jobs; salons and spas to avoid double booking; and cafes and delis. ERPLY was founded in 2009 and is based in London, United Kingdom.

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.

WooMe brings the speed dating craze online and extends it to let users meet new people live in fast, fun and free speed sessions. There are no long forms or lengthy profile descriptions, simply find a session that interests you and meet 5 people in 5 minutes. Or, create your own sessions based on your interests, such as "TechCrunch Readers in San Fran." Invite friends or strangers to play with you and immediately decide if you are woo'd by someone. WooMe's in-browser video and voice capability delivers a live interactive experience where users play for fun, to hook up, or just meet new people around shared interests. There are no tedious profiles and no software to download. The company site has, however, been called out by TechCrunch writer Robin Wauters over alleged dubious practices. Backed by Niklas Zennstrom's (Skype Founder) Atomico Investments, the original investors in Skype (Mangrove Capital), and Klaus Hommels (Europe's Investor of the Year, 2006), WooMe is catapulting the $1 billion+ speed dating market into the online world. With WooMe, meeting people online is transformed into a live interactive experience that makes sifting through contrived profiles a thing of the past. Founded in 2006, WooMe's management team has experience in bringing innovative web applications to market for companies including: AltaVista, CMGI, BT, Accenture, Qwest, Shopzilla, Trilogy. Stephen Stokols, Co-Founder/CEO, successfully sold an internet start-up and went on to become BT's youngest VP, growing their eCommerce revenues over 300% to over $1bn in his first 12 months. George Berkowski, Co-Founder/Product Director, brings extensive technical and marketing experience in the online space and in outer space (he played a role in sending the first tourist to the Space Station).

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.