Kleiner Perkins

Chainguard specializes in supply chain security by providing hardened, minimal container images that are continuously rebuilt from source in secure environments. These images are designed to eliminate known vulnerabilities and ensure end-to-end integrity, featuring built-in cryptographic signatures, Software Bill of Materials (SBOMs), and Supply-chain Levels for Software Artifacts (SLSA) provenance. In addition to its container images, Chainguard offers a catalog of guarded Java dependencies through its Chainguard Libraries, which are also built securely from source in SLSA-certified infrastructure. The company emphasizes its commitment to the open source community by contributing to and maintaining several widely used open source projects. By applying zero-trust principles and utilizing compliant-build systems, Chainguard enables businesses to effectively manage their supply chain security risks throughout the software lifecycle.

Together AI is a cloud-based platform designed for constructing open-source generative AI and infrastructure for developing AI models. The company contributes cutting-edge open-source research, models, and datasets to push the boundaries of AI forward. Through its decentralized cloud services, developers and researchers at organizations of various scales are empowered to train, refine, and deploy generative AI models.

Open Raven, Inc. is a data security company that specializes in data protection by developing a platform aimed at assessing and managing data risk for enterprises. Founded in 2019 and based in Los Angeles, California, the company helps organizations identify and secure sensitive data stored across cloud environments and corporate networks. Its platform provides visibility and control to prevent data breaches, locating assets and highlighting exposed data and shadow accounts. Open Raven's solution addresses the limitations of existing tools by effectively managing data security posture, ensuring that security teams can locate and protect sensitive information within vast data environments. The platform also offers pre-built connectors and an open-source model for easier integration and extensibility, thus enabling businesses to maintain compliance and safeguard their data effectively.

Oven is a new JavaScript runtime designed for speed with an integrated native bundler, test runner, and package manager that is compatible with npm. is meant to be a drop-in replacement for Node.js to run the majority of JavaScript outside of browsers, improving infrastructure speed and complexity while increasing developer productivity with better, simpler tooling.

Prisma is a company focused on providing app developers with tools to build scalable applications more efficiently through an open-source database toolkit. Founded in 2016, Prisma aims to democratize access to advanced data infrastructure typically utilized by large technology firms. The company offers a data platform that includes a query builder and a GraphQL application programming interface, allowing developers to access and manipulate data seamlessly. Its tools support operations such as filtering, sorting, pagination, and real-time capabilities, enabling users to navigate and edit their data with ease and safety. With offices in Berlin and San Francisco, Prisma has attracted investment from reputable venture capital firms.

RudderStack, Inc. is an enterprise customer data infrastructure platform that specializes in collecting, storing, and routing customer event data from applications and websites to data warehouses and cloud applications. Founded in 2019 and based in San Francisco, the company offers an open-source solution that enables businesses to consolidate their customer data and derive actionable insights. The platform features a robust transformation framework that processes event data in real time, allowing users to deploy pipelines that facilitate the collection of data from various sources, including applications, websites, and SaaS platforms. By integrating customer data across different tools and teams, RudderStack helps organizations enhance their growth and data-driven decision-making capabilities.

PlanetScale, Inc. is a technology company that specializes in an online database platform designed to help businesses manage and gain insights from their data efficiently. Founded in 2018 and headquartered in Mountain View, California, PlanetScale offers a MySQL-compatible, serverless database solution built on the scalable architecture of Vitess, which is used by major platforms like YouTube and Slack. The company's services include a Database-as-a-Service platform, cluster manager software, open-source Vitess support, and training solutions. PlanetScaleDB enhances operational capabilities by providing features such as disaster recovery, data locality solutions, and the ability to manage database scaling without downtime. This combination allows development teams to improve workflow velocity and performance while ensuring reliable access to their data.

RudderStack, Inc. is an enterprise customer data infrastructure platform that specializes in collecting, storing, and routing customer event data from applications and websites to data warehouses and cloud applications. Founded in 2019 and based in San Francisco, the company offers an open-source solution that enables businesses to consolidate their customer data and derive actionable insights. The platform features a robust transformation framework that processes event data in real time, allowing users to deploy pipelines that facilitate the collection of data from various sources, including applications, websites, and SaaS platforms. By integrating customer data across different tools and teams, RudderStack helps organizations enhance their growth and data-driven decision-making capabilities.

Open-Source Roam Research. A private, extensible, and community-driven knowledge graph.

Prisma is a company focused on providing app developers with tools to build scalable applications more efficiently through an open-source database toolkit. Founded in 2016, Prisma aims to democratize access to advanced data infrastructure typically utilized by large technology firms. The company offers a data platform that includes a query builder and a GraphQL application programming interface, allowing developers to access and manipulate data seamlessly. Its tools support operations such as filtering, sorting, pagination, and real-time capabilities, enabling users to navigate and edit their data with ease and safety. With offices in Berlin and San Francisco, Prisma has attracted investment from reputable venture capital firms.

Open Raven, Inc. is a data security company that specializes in data protection by developing a platform aimed at assessing and managing data risk for enterprises. Founded in 2019 and based in Los Angeles, California, the company helps organizations identify and secure sensitive data stored across cloud environments and corporate networks. Its platform provides visibility and control to prevent data breaches, locating assets and highlighting exposed data and shadow accounts. Open Raven's solution addresses the limitations of existing tools by effectively managing data security posture, ensuring that security teams can locate and protect sensitive information within vast data environments. The platform also offers pre-built connectors and an open-source model for easier integration and extensibility, thus enabling businesses to maintain compliance and safeguard their data effectively.

CodeSandbox is an online code editing platform that simplifies the process of building and sharing web applications for developers. It enables creators to express and validate their ideas with code while eliminating the complexities associated with setting up development environments and tools. With over 2 million monthly users, including prominent organizations like Shopify, Atlassian, and Stripe, CodeSandbox has facilitated the creation of more than 10 million applications since its inception. The platform is also widely adopted in the open-source community, supporting projects such as React, Vue, and Babel. By streamlining the coding process, CodeSandbox empowers software developers to focus on their projects without the time-consuming task of configuring their coding environments.

Prisma is a company focused on providing app developers with tools to build scalable applications more efficiently through an open-source database toolkit. Founded in 2016, Prisma aims to democratize access to advanced data infrastructure typically utilized by large technology firms. The company offers a data platform that includes a query builder and a GraphQL application programming interface, allowing developers to access and manipulate data seamlessly. Its tools support operations such as filtering, sorting, pagination, and real-time capabilities, enabling users to navigate and edit their data with ease and safety. With offices in Berlin and San Francisco, Prisma has attracted investment from reputable venture capital firms.

CoreOS, Inc. is a technology company that specializes in open source projects for Linux containers and Internet security software solutions. Founded in 2012 and based in San Francisco, with additional offices in New York City and a development hub in Berlin, CoreOS is recognized for its contributions to the Kubernetes community. The company offers Tectonic, an enterprise-ready platform that enhances Kubernetes with features for secure container orchestration, and Quay, a private image registry for building, storing, and distributing containers. CoreOS also provides CoreUpdate, a tool for managing application updates, and maintains various open source projects, including CoreOS Linux, etcd, and rkt. These solutions address key challenges related to downtime, security, and resilience, enabling organizations to run their applications reliably in diverse environments. In 2018, CoreOS became a subsidiary of Red Hat, further bolstering its position in the cloud infrastructure landscape.

AT&T CyberSecurity provides threat intelligence, collaborative defense, and security solutions for businesses. The company is uniquely positioned to deliver security without the seams through people, process, and technology, which will provide unrivaled visibility for the customers. AT&T CyberSecurity was founded in 2007 and is headquartered in San Mateo, California.

CoreOS, Inc. is a technology company that specializes in open source projects for Linux containers and Internet security software solutions. Founded in 2012 and based in San Francisco, with additional offices in New York City and a development hub in Berlin, CoreOS is recognized for its contributions to the Kubernetes community. The company offers Tectonic, an enterprise-ready platform that enhances Kubernetes with features for secure container orchestration, and Quay, a private image registry for building, storing, and distributing containers. CoreOS also provides CoreUpdate, a tool for managing application updates, and maintains various open source projects, including CoreOS Linux, etcd, and rkt. These solutions address key challenges related to downtime, security, and resilience, enabling organizations to run their applications reliably in diverse environments. In 2018, CoreOS became a subsidiary of Red Hat, further bolstering its position in the cloud infrastructure landscape.

CoreOS, Inc. is a technology company that specializes in open source projects for Linux containers and Internet security software solutions. Founded in 2012 and based in San Francisco, with additional offices in New York City and a development hub in Berlin, CoreOS is recognized for its contributions to the Kubernetes community. The company offers Tectonic, an enterprise-ready platform that enhances Kubernetes with features for secure container orchestration, and Quay, a private image registry for building, storing, and distributing containers. CoreOS also provides CoreUpdate, a tool for managing application updates, and maintains various open source projects, including CoreOS Linux, etcd, and rkt. These solutions address key challenges related to downtime, security, and resilience, enabling organizations to run their applications reliably in diverse environments. In 2018, CoreOS became a subsidiary of Red Hat, further bolstering its position in the cloud infrastructure landscape.

AT&T CyberSecurity provides threat intelligence, collaborative defense, and security solutions for businesses. The company is uniquely positioned to deliver security without the seams through people, process, and technology, which will provide unrivaled visibility for the customers. AT&T CyberSecurity was founded in 2007 and is headquartered in San Mateo, California.

D2iq, Inc. is a technology company that specializes in developing a datacenter operating system (DCOS) to streamline the management and deployment of applications across physical and cloud-based infrastructures. Founded in 2013 and headquartered in San Francisco, D2iq's core product, Mesosphere DCOS, is built on open-source technology and simplifies the execution of applications in a data center environment, akin to launching apps on a personal computer. The company also offers solutions such as Mesosphere Infinity, which facilitates the transformation of Big Data into actionable insights, and Conductor, an interactive platform for hands-on cloud-native training. In addition to its software offerings, D2iq provides architectural and consulting services, including expert consultations, on-site training, and custom installations. The company's strategic alliances with prominent firms enhance its service offerings, enabling organizations to adopt open-source and cloud-native innovations effectively.

AT&T CyberSecurity provides threat intelligence, collaborative defense, and security solutions for businesses. The company is uniquely positioned to deliver security without the seams through people, process, and technology, which will provide unrivaled visibility for the customers. AT&T CyberSecurity was founded in 2007 and is headquartered in San Mateo, California.

SpikeSource is a software certification company that specializes in open source solutions. The company offers a platform designed to assemble, test, package, certify, and update open source, proprietary, and hybrid software. This platform aids independent software vendors (ISVs), independent developers, and IT departments by ensuring interoperability, scalability, and performance of their applications. Additionally, SpikeSource is partnered with Intel and manages the certification process for applications within the Intel Business Exchange, further enhancing its role in the software certification landscape.

XenSource, Inc. is a developer of enterprise-grade virtualization technology that focuses on simplifying server infrastructure. Founded in 2004 and headquartered in Palo Alto, California, the company is known for its open-source hypervisor virtualization technology, which includes Xen 3.0, a robust platform designed for enterprise server deployment. In addition, XenSource offers Xen Optimiser, a software management solution for multi-server virtualization infrastructure, and subscription-based support services for its products. By leveraging these technologies, XenSource enables organizations to enhance server utilization, consolidate resources, and improve data center efficiency, ultimately reducing overall costs associated with server management. In October 2007, XenSource was acquired by Citrix Systems, Inc.

SpikeSource is a software certification company that specializes in open source solutions. The company offers a platform designed to assemble, test, package, certify, and update open source, proprietary, and hybrid software. This platform aids independent software vendors (ISVs), independent developers, and IT departments by ensuring interoperability, scalability, and performance of their applications. Additionally, SpikeSource is partnered with Intel and manages the certification process for applications within the Intel Business Exchange, further enhancing its role in the software certification landscape.

XenSource, Inc. is a developer of enterprise-grade virtualization technology that focuses on simplifying server infrastructure. Founded in 2004 and headquartered in Palo Alto, California, the company is known for its open-source hypervisor virtualization technology, which includes Xen 3.0, a robust platform designed for enterprise server deployment. In addition, XenSource offers Xen Optimiser, a software management solution for multi-server virtualization infrastructure, and subscription-based support services for its products. By leveraging these technologies, XenSource enables organizations to enhance server utilization, consolidate resources, and improve data center efficiency, ultimately reducing overall costs associated with server management. In October 2007, XenSource was acquired by Citrix Systems, Inc.

SpikeSource is a software certification company that specializes in open source solutions. The company offers a platform designed to assemble, test, package, certify, and update open source, proprietary, and hybrid software. This platform aids independent software vendors (ISVs), independent developers, and IT departments by ensuring interoperability, scalability, and performance of their applications. Additionally, SpikeSource is partnered with Intel and manages the certification process for applications within the Intel Business Exchange, further enhancing its role in the software certification landscape.

XenSource, Inc. is a developer of enterprise-grade virtualization technology that focuses on simplifying server infrastructure. Founded in 2004 and headquartered in Palo Alto, California, the company is known for its open-source hypervisor virtualization technology, which includes Xen 3.0, a robust platform designed for enterprise server deployment. In addition, XenSource offers Xen Optimiser, a software management solution for multi-server virtualization infrastructure, and subscription-based support services for its products. By leveraging these technologies, XenSource enables organizations to enhance server utilization, consolidate resources, and improve data center efficiency, ultimately reducing overall costs associated with server management. In October 2007, XenSource was acquired by Citrix Systems, Inc.

Linuxcare provides professional, technical support, education, and product certification services for Linux, as well as open- source software packages and other related technologies. The company is focused on customer services for large businesses, with its sales and marketing efforts targeted toward original equipment manufacturers, OEMs, software vendors, Global 1000 companies, and internet infrastructure providers. During 1999, the company’s eight largest customers were Dell Computer, Densa Techno Tokyo, Hewlett-Packard, KPMG Peat Marwick, MacMillan USA, Motorola, Silicon Graphics, and Sun Microsystems. It currently supports 21 distributions of Linux. Linuxcare was founded in 1998 and is based in San Francisco, California.

Sun Microsystems is a multinational vendor of computers, computer software and hardware, and information technology services. Sun is a proponent of open systems in general and UNIX in particular and a major contributor of open source software. Sun filed its initial public offering on March 4, 1986, and it used the stock symbol SUNW until 2007, when it began to use JAVA to promote brand recognition. Sun was purchased by [Oracle Corporation](/organization/oracle) in 2009.