Y Combinator

Founded in 2005, Y Combinator is a California-based startup accelerator and early-stage venture capital firm. It provides funding, mentorship, and resources to early-stage companies across various industries, with a focus on technology, healthcare, and finance. The organization helps founders refine their business models and products through an intensive three-month program in Silicon Valley, culminating in Demo Day presentations to investors.

Gustaf Alströmer

Partner

Tim Brady

Partner

Dalton Caldwell

Managing Director

Adora Cheung

Partner

Nic Dardenne

Principal

Nicolas Dessaigne

Partner

Aaron Epstein

Group Partner

Brad Flora

Partner

Jared Friedman

Partner

Anu Hariharan

Partner

Diana Hu

Partner

Reshma Khilnani

Partner

Pete Koomen

Visiting Group Partner

Carolynn Levy

Partner

Jon Levy

Managing Director

David Lieb

Partner

Jessica Livingston

Partner

Simon Lu

Principal

Kat Manalac

Managing Partner

Eric Migicovsky

Partner

Kirsty Nathoo

Partner

Geoff Ralston

President

Ali Rowghani

Managing Partner

Surbhi Sarna

Partner

Michael Seibel

Managing Director

Harj Taggar

Group Partner

Garry Tan

President

Matt Bogrand

Senior Associate

Past deals in Database

Supabase

Series D in 2025
Supabase develops an open-source Firebase alternative that adds real-time and RESTful APIs to PostgreSQL databases without requiring any code. It offers a Postgres database, authentication tools, instant APIs, edge functions, real-time subscriptions, storage, and vector database embeddings.

Zeit AI

Pre Seed Round in 2024
Zeit AI, established by former Palantir engineers, specializes in transforming unstructured tabular data files into structured, queryable databases. Their platform employs artificial intelligence to enable businesses to efficiently extract insights and make data-driven decisions using natural language queries, rather than manually sifting through files like Excel or CSV. The company offers a two-week pilot program, during which their engineers develop customized solutions to address specific data challenges.

Supabase

Series C in 2024
Supabase develops an open-source Firebase alternative that adds real-time and RESTful APIs to PostgreSQL databases without requiring any code. It offers a Postgres database, authentication tools, instant APIs, edge functions, real-time subscriptions, storage, and vector database embeddings.

PeerDB

Seed Round in 2024
PeerDB is a technology company that provides a data movement platform. This platform specializes in efficient replication of Postgres databases and capturing changes in data, allowing clients to sync, transform, and query data across various stores using simple SQL commands.

DaLMatian

Pre Seed Round in 2024
DaLMatian is a technology company that empowers data teams by providing an autonomous AI-driven platform. This platform instantly answers ad-hoc questions from business stakeholders, freeing up data teams to focus on strategic tasks. It achieves this by employing a multi-step reasoning agent that combines text-to-SQL, segmentation, anomaly detection, and other tools, thereby supporting informed decision-making and driving revenue growth for businesses.

Trellis

Pre Seed Round in 2024
Trellis is an artificial intelligence platform that converts unstructured data into SQL-compliant tables.

Buster

Pre Seed Round in 2024
Buster is a developer-focused company that offers a data integration platform aimed at simplifying the connection of various data sources and the construction of data pipelines. Its platform equips developers with the necessary tools and infrastructure to create production-ready applications that convert natural language queries into structured query language. By incorporating features such as an NLP reporting function, clients can seamlessly integrate their databases with Buster's platform. This allows users to generate customized dashboards and engage in text-based inquiries about their data, receiving prompt and accurate responses. Buster's solutions enhance the capabilities of web applications, making data interaction more intuitive and efficient for developers and end-users alike.

Tile

Pre Seed Round in 2024
Tile is a business intelligence (BI) company that specializes in a visual SQL language. This language combines the power of SQL with the usability of Excel, allowing users to analyze and interpret data more effectively. Tile's platform is designed to help developers build operational data applications, offering features such as visual elements, low-code functionality, and SQL queries. These features enable users to create and deploy production-grade data automation and applications without the need for extensive coding.

Lantern

Pre Seed Round in 2024
Lantern is the easiest way to build AI applications using PostgreSQL, with the help of lantern Cloud, developers can access everything they need to build an AI application

Stacksync

Pre Seed Round in 2024
Stacksync is a real-time and bidirectional data synchronization tool between CRMs (e.g. Salesforce, Hubspot or SAP) and databases (e.g. Postgres, Google BigQuery,...). Edits made in your CRM will instantly update in your Database, and vice-versa. To set up a sync, users simply have to connect the two chosen apps in one click and select the tables they want to sync, no-code! Stacksync reduces implementation delays from months to minutes for CRM integration projects and removes all the complexity behind CRM new feature development. We show a 90% improvement on delivery time and budget.

Defog

Seed Round in 2023
Defog integrates into applications, empowering users to query data instantly via natural language. Its platform leverages large language models to search and visualize both structured (SQL databases, data warehouses) and unstructured data (call transcripts), enabling businesses to embed insights widgets for intuitive user interaction.

Quary

Pre Seed Round in 2023
Quary operates a data infrastructure platform designed for developers aiming to manage data efficiently. Its platform provides a unified interface to streamline database workflows and version control, featuring collaborative querying, schema tracking, and automated documentation. This enables software development teams across diverse industries to boost productivity, maintain data integrity, and collaborate seamlessly in building robust applications.

Epsilla

Pre Seed Round in 2023
Epsilla is a technology company that specializes in providing a Retrieval-Augmented Generation as a Service platform. This platform is designed to help businesses build and deploy large language model applications using their own proprietary data. The company's offerings include low-latency searches across vast datasets, a consumption-based database-as-a-service, and comprehensive APIs. These tools enable clients to create AI agents powered by their private data and expedite the development of AI applications.

PeerDB

Pre Seed Round in 2023
PeerDB is a technology company that provides a data movement platform. This platform specializes in efficient replication of Postgres databases and capturing changes in data, allowing clients to sync, transform, and query data across various stores using simple SQL commands.

Defog

Pre Seed Round in 2023
Defog integrates into applications, empowering users to query data instantly via natural language. Its platform leverages large language models to search and visualize both structured (SQL databases, data warehouses) and unstructured data (call transcripts), enabling businesses to embed insights widgets for intuitive user interaction.

Outerbase

Pre Seed Round in 2023
Outerbase is a technology company that provides a user-friendly database platform designed for backend management. It offers an interface that allows users to view, edit, and modify data, as well as generate visual dashboards without the need to write SQL code. The platform includes data pipeline preparation services and fosters collaboration by enabling users and developers to manage and run queries on data seamlessly. By simplifying the process of data management, Outerbase aims to enhance performance and accessibility for its users.

Refine

Seed Round in 2023
Refine is a developer of an open-source platform designed to facilitate the rapid creation of data-heavy web applications. By offering a react-based web application development environment, Refine enables businesses to produce applications more efficiently, minimizing the time and resources required. The platform includes a wide array of pre-built functionalities that streamline project development while maintaining a high level of customizability. Refine specifically addresses the complexities of CRUD operations, alleviating repetitive tasks and allowing clients to focus on building robust applications. Additionally, it effectively manages large volumes of data, supporting features like admin panels and dashboards, along with database functionalities for audit logging and usage analytics. This comprehensive approach helps organizations reduce developer workload in critical areas, including routing, authentication, and state management.

Lantern

Pre Seed Round in 2023
Lantern is the easiest way to build AI applications using PostgreSQL, with the help of lantern Cloud, developers can access everything they need to build an AI application

Payload CMS

Seed Round in 2022
Payload CMS is a self-hosted, headless TypeScript content management system launched in 2018. It uses Node.js, React, and MongoDB, offering robust field types, dynamic fields like Arrays and Blocks, and purpose-built fields such as Relationship and GeoJSON for flexible data modeling. The platform secures data with access control functions at the document or field level.

Vizzly

Pre Seed Round in 2022
Vizzly is a developer of a low-code analytics platform that specializes in creating customizable, embeddable dashboards for SaaS companies. The platform allows users to connect to any SQL database or API, enabling seamless integration of dashboards as React or Vue components. Vizzly's solution provides the flexibility of an in-house development process while minimizing the technical overhead typically associated with dashboard creation. With a focus on user experience, the platform allows clients to build native data visualizations tailored to their customers' specific needs. This empowers customer-centric companies to leverage business intelligence tools effectively, enhancing their service offerings and enabling users to track metrics and answer queries with ease.

Instant

Venture Round in 2022
Instant is a technology company that specializes in providing a real-time client-side database platform aimed at facilitating the development of collaborative applications. By enabling developers to create real-time and offline-capable applications, Instant allows them to prioritize user experience while efficiently managing data synchronization and optimistic updates. The platform serves as a modern alternative to traditional database solutions, enhancing productivity for frontend development and simplifying the complexities associated with real-time data handling.

Dropbase

Venture Round in 2022
Dropbase is a developer platform to build internal tools and apps for customer success, support, and operation teams. With Dropbase, you can build admin panels, billing support dashboards, and other internal tools in minutes, with just SQL and Python.

Grai.io

Pre Seed Round in 2022
Grai is a data lineage platform designed to simplify the understanding and testing of data relationships across various systems, including databases, data warehouses, APIs, and dashboards. The platform automates data integrations, facilitating seamless connections between customer data and applications. This enables clients to access essential information easily and efficiently, allowing them to make informed decisions without unnecessary complexity. By streamlining customer analytics, Grai aims to enhance the overall data experience for both developers and users.

Payload CMS

Pre Seed Round in 2022
Payload CMS is a self-hosted, headless TypeScript content management system launched in 2018. It uses Node.js, React, and MongoDB, offering robust field types, dynamic fields like Arrays and Blocks, and purpose-built fields such as Relationship and GeoJSON for flexible data modeling. The platform secures data with access control functions at the document or field level.

Refine

Seed Round in 2022
Refine is a developer of an open-source platform designed to facilitate the rapid creation of data-heavy web applications. By offering a react-based web application development environment, Refine enables businesses to produce applications more efficiently, minimizing the time and resources required. The platform includes a wide array of pre-built functionalities that streamline project development while maintaining a high level of customizability. Refine specifically addresses the complexities of CRUD operations, alleviating repetitive tasks and allowing clients to focus on building robust applications. Additionally, it effectively manages large volumes of data, supporting features like admin panels and dashboards, along with database functionalities for audit logging and usage analytics. This comprehensive approach helps organizations reduce developer workload in critical areas, including routing, authentication, and state management.

Hydra

Pre Seed Round in 2022
Hydra is an open source Snowflake alternative that transforms Postgres into a fast, scalable data warehouse. With Hydra, engineers can standardize both transactional and analytics workloads around the familiar Postgres syntax, tools, and ecosystem without app code changes. Hydra offers a fully managed cloud instance with columnar storage and high throughput writes. In addition, Hydra decouples Postgres' query layer from compute and storage to enable developers to run Postgres queries across any database. Hydra's mission is to end vendor lock-in and standardize on developers' favorite open-source database, Postgres.

Bracket

Pre Seed Round in 2022
Bracket is a data synchronization platform that facilitates seamless integration between popular business tools like Airtable, Notion, and Google Sheets and backend databases. By enabling two-way data syncing, Bracket empowers non-technical teams to access and manipulate data using familiar interfaces, eliminating the need for engineers to write scripts or develop internal tools. This approach simplifies data management and enhances productivity, allowing users to focus on their core tasks without the complexities of backend database interactions.

Codex

Seed Round in 2021
Codex is a dev tool that enables just-in-time documentation for deep collaboration. Codex is a code collaboration that answers the burning technical questions in a given database, right in IDE.

Evidence

Pre Seed Round in 2021
Evidences is an open-source business intelligence platform that enables developers to create polished data products using SQL and markdown, eliminating the need for drag-and-drop interfaces. It offers version control, high-performance data infrastructure, enterprise security, automatic scaling, and a growing component library for charts and graphs.

Codex

Pre Seed Round in 2021
Codex is a dev tool that enables just-in-time documentation for deep collaboration. Codex is a code collaboration that answers the burning technical questions in a given database, right in IDE.

Evidence

Pre Seed Round in 2021
Evidences is an open-source business intelligence platform that enables developers to create polished data products using SQL and markdown, eliminating the need for drag-and-drop interfaces. It offers version control, high-performance data infrastructure, enterprise security, automatic scaling, and a growing component library for charts and graphs.

Lightly

Pre Seed Round in 2021
Founded in 2019, Lightly is a database software company that specializes in improving machine learning models. Its platform enables businesses to curate, analyze, and explore unlabeled data, helping reduce overfitting and improve generalization by diversifying datasets.

Hudu

Seed Round in 2021
Hudu is a developer of IT documentation software that assists IT departments in organizing and enhancing their operations. The company's platform enables users to securely share essential information, such as passwords, network documentation, and business processes, all within a customizable and user-friendly interface. By facilitating collaboration and streamlining access to technical information, Hudu's software helps IT teams maintain control over their environments and improve operational efficiency.

Avenue

Seed Round in 2021
Avenue is a simple way for business teams to set up alerts from their database or data warehouse. Think PagerDuty for business operations teams. Operations teams create set-and-forget alerts on all their data, so they can be more proactive with their time (and monitor on more nuanced triggers than just what fits on their dashboard page). Avenue can improve response times to critical problems from several days to real-time by alerting directly on the data sources that customers already use.

hoop.dev

Seed Round in 2021
Hoop.dev is a developer-focused company that offers a collaboration platform designed to simplify database management. Their platform provides a single command-line interface that eliminates the need for VPNs, streamlining access to sensitive cloud data. By implementing strong security measures, including single sign-on (SSO) and detailed auditing capabilities, Hoop.dev enhances user autonomy while protecting personally identifiable information (PII). The company's solutions replace traditional database responsibilities for sensitive data with automated processes, facilitating efficient ETL procedures and reducing reliability risks. This approach not only safeguards personal information but also ensures that developers can manage databases with greater ease and reliability.

hoop.dev

Venture Round in 2021
Hoop.dev is a developer-focused company that offers a collaboration platform designed to simplify database management. Their platform provides a single command-line interface that eliminates the need for VPNs, streamlining access to sensitive cloud data. By implementing strong security measures, including single sign-on (SSO) and detailed auditing capabilities, Hoop.dev enhances user autonomy while protecting personally identifiable information (PII). The company's solutions replace traditional database responsibilities for sensitive data with automated processes, facilitating efficient ETL procedures and reducing reliability risks. This approach not only safeguards personal information but also ensures that developers can manage databases with greater ease and reliability.

Supabase

Seed Round in 2020
Supabase develops an open-source Firebase alternative that adds real-time and RESTful APIs to PostgreSQL databases without requiring any code. It offers a Postgres database, authentication tools, instant APIs, edge functions, real-time subscriptions, storage, and vector database embeddings.

KeyDB

Convertible Note in 2020
KeyDB is a developer of an in-memory, high-performance NoSQL database that serves as both a cache and a primary database. It is designed to support various data types while offering on-disk persistence and high availability. KeyDB is compatible with the Redis API and protocols, allowing it to function as a drop-in replacement for existing Redis deployments. The platform provides numerous enhancements, including improved performance and reduced total cost of ownership, making it an efficient solution for many applications. With its low resource requirements and high-speed capabilities, KeyDB enables users to manage fewer instances, resulting in significant cost savings.

Supabase

Seed Round in 2020
Supabase develops an open-source Firebase alternative that adds real-time and RESTful APIs to PostgreSQL databases without requiring any code. It offers a Postgres database, authentication tools, instant APIs, edge functions, real-time subscriptions, storage, and vector database embeddings.

Basedash

Seed Round in 2020
Basedash offers a cloud-based workflow management platform to manage and visualize databases, enabling the creation of internal applications from data without coding. It provides a shared library of views and queries, supports application editing, no-code data organization, change tracking, real-time collaboration, and keyboard navigation, and integrates with databases to read, write, query, edit, and delete data. The platform includes internal tools such as admin panels, SQL interfaces, and dashboards to help teams coordinate, automate workflows, and monitor activity by tracking manual edits across systems.

KeyDB

Seed Round in 2020
KeyDB is a developer of an in-memory, high-performance NoSQL database that serves as both a cache and a primary database. It is designed to support various data types while offering on-disk persistence and high availability. KeyDB is compatible with the Redis API and protocols, allowing it to function as a drop-in replacement for existing Redis deployments. The platform provides numerous enhancements, including improved performance and reduced total cost of ownership, making it an efficient solution for many applications. With its low resource requirements and high-speed capabilities, KeyDB enables users to manage fewer instances, resulting in significant cost savings.

Dataland

Venture Round in 2020
The fastest database viewer ever built. Make all your data easily accessible to non-technical teams with a single high-performance tool.

QuestDB

Seed Round in 2020
QuestDB develops an open-source time-series database designed for real-time analytics. It provides a high-performance, relational platform optimized for time-series workloads, capable of ingesting data via HTTP, PostgreSQL wire protocol, Influx line protocol, or direct Java clients. The architecture emphasizes efficiency and hardware-aligned design to support millisecond query latency and the ingestion of billions of time-stamped events on standard hardware. QuestDB enables real-time data processing across use cases in finance, IoT, and DevOps observability, with time-series SQL extensions and scalable performance. The company was founded in 2019 and is based in London.

Dashworks

Seed Round in 2020
Dashworks Technologies, Inc., based in Palo Alto, California, operates an innovative online search tool platform that integrates information across various collaboration tools and databases. Founded in 2018, Dashworks enables users to efficiently locate conversations, customer records, files, and tickets from multiple enterprise applications, enhancing accessibility and productivity. The platform acts as a knowledge assistant, consolidating documents, messages, and other critical information, which helps organizations operate more effectively. Through deep integrations with popular tools such as JIRA, Slack, and Google Drive, Dashworks allows clients to quickly retrieve relevant data concerning customers, marketing campaigns, or projects, promoting a more productive workforce.

Dropbase

Seed Round in 2020
Dropbase is a developer platform to build internal tools and apps for customer success, support, and operation teams. With Dropbase, you can build admin panels, billing support dashboards, and other internal tools in minutes, with just SQL and Python.

Dataform

Seed Round in 2019
Dataform is a developer of a data modeling platform that facilitates the management of SQL data workflows within cloud data warehouses, including Google BigQuery, Amazon Redshift, and Snowflake. The platform empowers analysts and data engineers to transform raw data into reliable datasets suitable for analysis. Features such as a cloud SQL workbench, visual data dependencies, GitHub integration, and scheduling capabilities enable users to effectively manage their data processes, ensuring streamlined data management and improved analytics outcomes.

OneGraph

Seed Round in 2018
OneGraph Inc is a technology company that provides a GraphQL service designed to connect various Software as a Service (SaaS) APIs, facilitating faster and more efficient integrations for web and mobile applications. Founded in 2018 and headquartered in Walnut, California, OneGraph automates key processes such as parallelization, queuing, and caching, enabling users to manage data requests through a single interface. The platform simplifies authentication flows, making it easier for clients and their customers to access services securely. With support for numerous APIs, including major platforms like Stripe, Salesforce, and GitHub, OneGraph aims to streamline the development process and enhance the overall user experience in accessing and utilizing API data.

Dataform

Venture Round in 2018
Dataform is a developer of a data modeling platform that facilitates the management of SQL data workflows within cloud data warehouses, including Google BigQuery, Amazon Redshift, and Snowflake. The platform empowers analysts and data engineers to transform raw data into reliable datasets suitable for analysis. Features such as a cloud SQL workbench, visual data dependencies, GitHub integration, and scheduling capabilities enable users to effectively manage their data processes, ensuring streamlined data management and improved analytics outcomes.

Terark

Seed Round in 2017
Terark is a technology start-up based in Beijing, China, founded in 2014. The company specializes in developing storage engines and optimization solutions, with its flagship product, TerarkDB, designed for efficient data storage and retrieval. TerarkDB employs advanced compression technology that allows for direct searching on highly compressed data, resulting in improved performance and significant storage savings. The system is compatible with popular database frameworks such as MySQL, MongoDB, and RocksDB, enhancing random read capabilities. Terark's innovative approach enables businesses to manage large volumes of data more efficiently, reducing costs associated with big data applications. Notable clients include Alibaba and Xiaomi, highlighting the effectiveness and demand for Terark's solutions in the market. The company operates as a subsidiary of Beijing Byte Dance Telecommunications Co., Ltd.

PipelineDB

Seed Round in 2014
PipelineDB, Inc. is a company that specializes in real-time analytics databases designed to process streaming data. Established in 2013 and headquartered in San Francisco, California, PipelineDB offers an open-source extension to PostgreSQL, enabling continuous SQL queries on time-series data. This innovative platform allows users to submit queries in advance, with results updated incrementally as new data streams in. By facilitating real-time reporting applications, PipelineDB helps clients streamline their data management processes, allowing them to prioritize high-performance time-series data aggregation without the necessity of recording data. As of May 1, 2019, PipelineDB operates as a subsidiary of Confluent, Inc.

Realm

Series A in 2013
Realm ApS is a mobile database company that provides a robust alternative to SQLite and Core Data, facilitating faster application development for users on Android, iOS, and OSX platforms. Founded in 2011 and headquartered in Copenhagen, Denmark, with an additional office in San Francisco, Realm specializes in offering a memory-efficient database that includes features like querying, relationships, graphs, and thread safety. This innovative platform significantly reduces the amount of code developers need to write, effectively saving them time and enabling the creation of enhanced user experiences. As of May 2019, Realm operates as a subsidiary of MongoDB, Inc.

InfluxData

Seed Round in 2013
InfluxData Inc. specializes in open-source solutions for managing time-series data at scale. The company is best known for InfluxDB, a time-series database that is engineered to handle vast amounts of time-stamped data generated by IoT devices, applications, networks, and other sources. InfluxData's product suite includes InfluxEnterprise, a cluster management solution; InfluxCloud, a fully-managed InfluxDB service; Telegraf, a data collection tool; Chronograf, for data visualization; and Kapacitor, which focuses on data processing, monitoring, and alerting. InfluxData aims to support developers and organizations in efficiently storing and analyzing real-time data, thereby enabling the rapid development of monitoring, analytics, and IoT applications. Founded in 2012 and based in San Francisco, California, with an additional office in London, the company was previously known as Errplane Inc. and rebranded in December 2015.

Citus Data

Seed Round in 2012
Citus Data, Inc. is a database technology company specializing in scaling PostgreSQL to enhance real-time applications. Founded in 2010 and headquartered in San Francisco, California, with an additional office in Istanbul, Turkey, Citus Data provides a distributed database platform that efficiently handles massive parallelism and supports complex queries. Its flagship product, CitusDB, integrates the capabilities of PostgreSQL with features like native JSON support, enabling businesses to manage and analyze large volumes of data effectively. The platform simplifies database sharding, allowing organizations to partition large datasets for improved performance and manageability. Citus Data serves a diverse range of industries, including e-commerce, retail, security, and advertising, facilitating interactive analytics and operational workloads. In 2019, Citus Data became a subsidiary of Microsoft Corporation.

Firebase

Seed Round in 2012
Firebase is a mobile platform developed by Google that empowers developers to create applications for iOS, Android, and the web, facilitating user growth and engagement. Serving over one million developers, Firebase provides a comprehensive app development framework that includes features such as analytics, a real-time database, user authentication, crash reporting, and push notifications. This versatile platform allows developers to mix and match tools to suit their specific needs, while also enabling the creation of real-time, collaborative applications. Firebase is designed to be scalable, secure, and can be implemented using client-side code, making it a valuable resource for developers aiming to build effective applications and expand their businesses.

Citus Data

Seed Round in 2011
Citus Data, Inc. is a database technology company specializing in scaling PostgreSQL to enhance real-time applications. Founded in 2010 and headquartered in San Francisco, California, with an additional office in Istanbul, Turkey, Citus Data provides a distributed database platform that efficiently handles massive parallelism and supports complex queries. Its flagship product, CitusDB, integrates the capabilities of PostgreSQL with features like native JSON support, enabling businesses to manage and analyze large volumes of data effectively. The platform simplifies database sharding, allowing organizations to partition large datasets for improved performance and manageability. Citus Data serves a diverse range of industries, including e-commerce, retail, security, and advertising, facilitating interactive analytics and operational workloads. In 2019, Citus Data became a subsidiary of Microsoft Corporation.

Firebase

Seed Round in 2011
Firebase is a mobile platform developed by Google that empowers developers to create applications for iOS, Android, and the web, facilitating user growth and engagement. Serving over one million developers, Firebase provides a comprehensive app development framework that includes features such as analytics, a real-time database, user authentication, crash reporting, and push notifications. This versatile platform allows developers to mix and match tools to suit their specific needs, while also enabling the creation of real-time, collaborative applications. Firebase is designed to be scalable, secure, and can be implemented using client-side code, making it a valuable resource for developers aiming to build effective applications and expand their businesses.

SingleStore

Seed Round in 2011
SingleStore, Inc. is a provider of a relational database designed for cloud and on-premises transactions and analytics, catering to global enterprises. Founded in 2011 and headquartered in San Francisco, California, the company offers the SingleStore Managed Service, a cloud database-as-a-service that enables analytics on various cloud platforms, alongside SingleStore DB, a distributed SQL database suitable for both bare metal and hybrid cloud environments. The company focuses on operational analytics and supports modern data platform solutions that encompass IoT analytics, risk management, and customer engagement. SingleStore serves a diverse range of industries, including financial services, media communications, energy and utilities, government, and retail. The company, previously known as MemSQL Inc., rebranded to SingleStore, Inc. in October 2020 and also maintains offices in Seattle, Boston, Portland, Lisbon, and London.

Compose

Seed Round in 2011
Compose, Inc., established in 2009 and headquartered in San Mateo, California, operates a managed platform for developers to deploy, host, and scale databases. It specializes in Elasticsearch and MongoDB hosting, offering features such as auto-scaling, monitoring tools, replica sets, regular backups, and priority support. The company, formerly known as MongoHQ, rebranded as Compose in 2014 and is now a subsidiary of IBM.

Realm

Seed Round in 2011
Realm ApS is a mobile database company that provides a robust alternative to SQLite and Core Data, facilitating faster application development for users on Android, iOS, and OSX platforms. Founded in 2011 and headquartered in Copenhagen, Denmark, with an additional office in San Francisco, Realm specializes in offering a memory-efficient database that includes features like querying, relationships, graphs, and thread safety. This innovative platform significantly reduces the amount of code developers need to write, effectively saving them time and enabling the creation of enhanced user experiences. As of May 2019, Realm operates as a subsidiary of MongoDB, Inc.

Bushido

Seed Round in 2011
Bushido provides one-click deploy for open-source rails apps to a 'fully-furnished' hosting environment for end-users, and does a revenue-share with the app developer. Each app deployed automatically has incoming/outgoing email accounts, a MongoDB instance, a Postgresql DB instance, a provisioned subdomain, etc. Apps generally support several dozen to hundred users, but can be configured for public-facing sites as well. Bushido builds on the cloud services out there and unifies all the different API's into a single, simple interface that standardizes app development - as is the rails way.

RethinkDB

Seed Round in 2009
RethinkDB is an open-source distributed database management platform specifically designed for the realtime web. It enables developers to build scalable applications efficiently by allowing the database to continuously push updated query results to applications, eliminating the need for polling. RethinkDB supports storage of data in JSON documents and features a powerful query language that includes advanced functionalities like table joins and groupBy. The platform is built with a highly parallelized architecture, ensuring reliability across various workloads and edge cases. Additionally, it offers web-based tools for managing clusters, providing users with live statistics and complete visibility into ongoing operations.

FathomDB

Seed Round in 2009
FathomDB is a provider of database administration services that simplifies the management of databases for organizations. By handling routine tasks typically associated with database administration, FathomDB allows database administrators to concentrate on more complex challenges. The company's platform includes a variety of analytics tools that assist developers in monitoring server performance and pinpointing bottlenecks. This focus on efficiency aims to save clients time and enhance their overall operational effectiveness.

Cloudant

Seed Round in 2008
Cloudant is a provider of distributed database-as-a-service (DBaaS) that enables developers of web and mobile applications to concentrate on product development without the complexities of database management and scaling. Founded in 2008 in Cambridge, Massachusetts, by three physicists from MIT, Cloudant was born out of a need for better tools to manage and analyze large datasets encountered in their research. The company built a fault-tolerant and globally scalable data layer on top of Apache CouchDB, addressing the challenges of handling Big Data. Since its inception, Cloudant has expanded its services and now supports thousands of developers and numerous clients worldwide by managing and serving application data efficiently.

FathomDB

Seed Round in 2008
FathomDB is a provider of database administration services that simplifies the management of databases for organizations. By handling routine tasks typically associated with database administration, FathomDB allows database administrators to concentrate on more complex challenges. The company's platform includes a variety of analytics tools that assist developers in monitoring server performance and pinpointing bottlenecks. This focus on efficiency aims to save clients time and enhance their overall operational effectiveness.

Clustrix

Seed Round in 2006
Clustrix, Inc. is a technology company based in San Francisco, California, that specializes in a cloud-based distributed SQL relational database designed to handle high-transaction workloads. Founded in 2006, Clustrix offers a scale-out SQL database known as ClustrixDB, which addresses the performance, availability, and growth demands of modern e-commerce sites and other business-critical applications. This platform enables real-time transactions, massive transactional volumes, and real-time analytics, supporting unlimited users and data while automating fault tolerance. ClustrixDB serves a diverse clientele, including notable companies such as AOL, Flipkart, and Rakuten, and is available for deployment on commodity hardware and various cloud environments. The company also has branch offices in Seattle, London, San Jose, and Seoul, and operates as a subsidiary of MariaDB Corporation Ab as of September 2018.
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