COSS Company Showcase
Discover companies building the future of commercial open source software

Your view into the COSS universe
Right-time data platform for CDC & streaming
Estuary is the right-time data platform that unifies CDC (Change Data Capture), batch, and streaming into one dependable system. Built for enterprises that need control over cost, latency, and deployment, Estuary helps teams move data exactly when it's needed — powering analytics, operations, and AI without the complexity of multiple tools. With hundreds of in-house connectors, Estuary provides millisecond-latency data pipelines with flexible deployment options including SaaS, BYOC, and private plane deployments.
Open-source authorization & access control system.
Cerbos offers an open-source authorization layer that simplifies the implementation of complex access control policies in applications. It helps developers manage permissions and roles efficiently.
AI inference and training infrastructure
RadixArk is an infrastructure-first company building large-scale AI inference and training systems. It is the commercial entity behind SGLang, an open-source inference engine originally developed at UC Berkeley, and Miles, an enterprise-facing reinforcement learning framework for LLM and VLM post-training. The company offers hosted inference services built on top of its open-source tooling, targeting AI teams that need fast, cost-efficient model serving at scale.
Open-source framework for programmatic video
Revideo is an open-source TypeScript framework for programmatic video editing, forked from Motion Canvas. It lets developers create video templates in TypeScript and deploy an API endpoint to render them with dynamic inputs, enabling automation of complex video workflows or the construction of entire browser-based video editors. The framework provides a React player component for real-time preview and supports headless rendering via serverless functions.
Industrial platform for Node-RED at scale
FlowFuse is an industrial application platform built around Node-RED, the open-source low-code programming tool, that enables organizations to connect industrial machines, collect and transform operational data, and deploy applications at scale. The platform provides enterprise-grade features including team collaboration, remote device management, DevOps pipelines, and an AI-powered copilot that generates Node-RED flows and dashboards from natural language prompts.
Self-hosted lightweight software forge.
Forgejo is a self-hosted lightweight software forge that is easy to install and maintain, focusing on security, scaling, federation, and privacy.
Dawarich visualizes location history and travel.
Dawarich provides an open source, self-hostable alternative to Google Location History. Its platform allows users to visualize their location history, track their own movements, and analyze their travel patterns in a privacy-centric way.
eBPF-powered Kubernetes networking & security
Isovalent is the company behind Cilium and Tetragon, leading the eBPF revolution. Isovalent empowers organizations to modernize their cloud native infrastructure with Cilium's advanced networking, security, and observability capabilities. Isovalent serves enterprise customers.
Programmatic video creation with React
Remotion provides a React-based framework for creating videos programmatically, enabling developers to build sophisticated video applications using web technologies like CSS, Canvas, SVG, and WebGL. The platform supports server-side rendering, parametrizable content, and scalable video generation for applications ranging from music visualization to automated video production.
Framework for federated AI learning
Flower AI provides a unified platform for building products with decentralized AI, leveraging federated learning. The company aims to empower organizations and individuals to collaborate on AI development while protecting data privacy and ownership. It is built on technologies like federated learning and differential privacy and serves enterprise clients.

Your view into the COSS universe
Software quality tools for building and testing.
SmartBear provides comprehensive software development and testing tools through API lifecycle management, automated testing, and application monitoring solutions.
Collaborative cybersecurity threat intelligence platform
CrowdSec provides AI-driven, ultra-curated collective threat intelligence to preemptively block malicious IPs through a collaborative cybersecurity model. The company operates a global network of 100,000+ active users across 190+ countries who share threat intelligence to create a 'Waze-like' security network that processes 15 million signals daily on aggressive IPs.
Open-source API documentation and client platform.
Scalar is a platform for creating API documentation.
Platform for building and managing AI agents.
Rowboat Labs provides a low-code AI IDE to build MCP tools connected multi-agent assistants. Its technology enables users to to build, manage and deploy user-facing assistants.
API-first identity management and authorization
BoxyHQ provides open-source solutions for enterprise security, including SAML and OAuth integrations, to help companies secure their applications and manage user authentication efficiently.
Platform for AI agent observability & debugging.
AgentOps provides an agent evaluation and observability platform. It allows users to visualize agent behavior, catch regressions, and deploy confidently using advanced evals and metrics. Their platform serves enterprise clients.
Lightweight vision-language model for devices
Moondream offers a lightweight and versatile language model designed to process both image and text inputs. It is built on transformer and vision transformer architectures and can be used across various applications. Moondream primarily targets enterprise users.
Open-source SDK & cloud infra for MCP
Manufact (formerly mcp-use) provides open-source SDKs and cloud infrastructure for building and deploying Model Context Protocol (MCP) servers, MCP apps for ChatGPT, and AI agents. The company's libraries have accumulated over 4 million downloads and 9,000 GitHub stars, with adoption by organizations including NASA, NVIDIA, and SAP. Manufact offers an MCP Cloud platform that connects GitHub repositories to production deployments with observability, metrics, logs, and branch deployments. The company is a Y Combinator S25 batch company headquartered in San Francisco and Zürich.
Kubernetes network security and observability
Tigera provides security and observability solutions for Kubernetes. Tigera’s core offering, Calico, delivers advanced security, compliance, and observability for multi-cluster Kubernetes, containers, and cloud environments. The company serves enterprise customers.
Zero-trust access and VPN replacement
Firezone provides open-source network security solutions, including VPN and firewall tools, to help organizations secure their network infrastructure. Their platform supports various protocols and integrations.

Your view into the COSS universe
Distributed SQL database with AI features.
YDB is a distributed SQL database designed to handle large-scale workloads with high availability and consistency. It is built on technologies that enable horizontal scalability and strong consistency, making it suitable for enterprise applications. YDB primarily serves enterprise customers.
Open-source LLMOps platform
Agenta is an open-source LLMOps platform that provides developers and product teams with integrated tools for prompt management, evaluation, human annotation, and observability of large language model applications. The platform enables teams to version and compare prompts, run automated and human-in-the-loop evaluations, trace production requests, and collaborate across engineering and domain-expert roles—all from a single interface.
OSS platform for building audio and video apps
LiveKit offers an open-source platform for building real-time audio and video applications. Their tools support low-latency communication and integration with various devices and platforms.
A cloud-native, platform-agnostic API gateway
Kong Inc. provides an open-source API platform and service connectivity platform that enables developers to manage APIs and microservices across hybrid and multi-cloud environments. The company serves enterprises in various industries, offering solutions for API management, service mesh, Kubernetes ingress, and developer portals.
AI for automating browser-based workflows.
Skyvern helps companies automate browser-based workflows using LLMs and Computer Vision, fully automating manual workflows and replacing brittle or unreliable scripts.
Open source software solutions for enterprise IT
SUSE is a global leader in innovative, reliable and secure enterprise open source solutions, including SUSE Linux, SUSE Rancher, and SUSE Edge.
Develops generative AI models for image creation.
Black Forest Labs is an AI research company that develops state-of-the-art generative models for image and video creation. The company creates the FLUX family of models, including FLUX.1 for text-to-image generation, image editing, and in-context image generation, offering both open-weight models and commercial API services.
Nix binary cache hosting service
Cachix provides Nix binary cache hosting that allows development teams to share build artifacts between CI, development, and deployment environments, eliminating redundant builds. The company also develops devenv, an open-source tool for creating fast, declarative, and reproducible developer environments using Nix.
No headlines available
Blockchain for real-world assets and payments.
Polygon is a decentralized Ethereum scaling platform that enables developers to build scalable and user-friendly dApps with low transaction fees. It focuses on providing Layer 2 scaling solutions and infrastructure for Ethereum-compatible blockchain networks. Polygon serves enterprises and developers in the blockchain and technology industries.
Open-source voice AI for building voice agents.
Vocode provides open-source tools for building conversational AI applications, enabling developers to create chatbots and virtual assistants with ease. Their platform supports various languages and integrations.

Your view into the COSS universe
Right-time data platform for CDC & streaming
Estuary is the right-time data platform that unifies CDC (Change Data Capture), batch, and streaming into one dependable system. Built for enterprises that need control over cost, latency, and deployment, Estuary helps teams move data exactly when it's needed — powering analytics, operations, and AI without the complexity of multiple tools. With hundreds of in-house connectors, Estuary provides millisecond-latency data pipelines with flexible deployment options including SaaS, BYOC, and private plane deployments.
Open-source authorization & access control system.
Cerbos offers an open-source authorization layer that simplifies the implementation of complex access control policies in applications. It helps developers manage permissions and roles efficiently.
AI inference and training infrastructure
RadixArk is an infrastructure-first company building large-scale AI inference and training systems. It is the commercial entity behind SGLang, an open-source inference engine originally developed at UC Berkeley, and Miles, an enterprise-facing reinforcement learning framework for LLM and VLM post-training. The company offers hosted inference services built on top of its open-source tooling, targeting AI teams that need fast, cost-efficient model serving at scale.
Open-source framework for programmatic video
Revideo is an open-source TypeScript framework for programmatic video editing, forked from Motion Canvas. It lets developers create video templates in TypeScript and deploy an API endpoint to render them with dynamic inputs, enabling automation of complex video workflows or the construction of entire browser-based video editors. The framework provides a React player component for real-time preview and supports headless rendering via serverless functions.
Industrial platform for Node-RED at scale
FlowFuse is an industrial application platform built around Node-RED, the open-source low-code programming tool, that enables organizations to connect industrial machines, collect and transform operational data, and deploy applications at scale. The platform provides enterprise-grade features including team collaboration, remote device management, DevOps pipelines, and an AI-powered copilot that generates Node-RED flows and dashboards from natural language prompts.
Self-hosted lightweight software forge.
Forgejo is a self-hosted lightweight software forge that is easy to install and maintain, focusing on security, scaling, federation, and privacy.
Dawarich visualizes location history and travel.
Dawarich provides an open source, self-hostable alternative to Google Location History. Its platform allows users to visualize their location history, track their own movements, and analyze their travel patterns in a privacy-centric way.
eBPF-powered Kubernetes networking & security
Isovalent is the company behind Cilium and Tetragon, leading the eBPF revolution. Isovalent empowers organizations to modernize their cloud native infrastructure with Cilium's advanced networking, security, and observability capabilities. Isovalent serves enterprise customers.
Programmatic video creation with React
Remotion provides a React-based framework for creating videos programmatically, enabling developers to build sophisticated video applications using web technologies like CSS, Canvas, SVG, and WebGL. The platform supports server-side rendering, parametrizable content, and scalable video generation for applications ranging from music visualization to automated video production.
Framework for federated AI learning
Flower AI provides a unified platform for building products with decentralized AI, leveraging federated learning. The company aims to empower organizations and individuals to collaborate on AI development while protecting data privacy and ownership. It is built on technologies like federated learning and differential privacy and serves enterprise clients.

Your view into the COSS universe
Software quality tools for building and testing.
SmartBear provides comprehensive software development and testing tools through API lifecycle management, automated testing, and application monitoring solutions.
Collaborative cybersecurity threat intelligence platform
CrowdSec provides AI-driven, ultra-curated collective threat intelligence to preemptively block malicious IPs through a collaborative cybersecurity model. The company operates a global network of 100,000+ active users across 190+ countries who share threat intelligence to create a 'Waze-like' security network that processes 15 million signals daily on aggressive IPs.
Open-source API documentation and client platform.
Scalar is a platform for creating API documentation.
Platform for building and managing AI agents.
Rowboat Labs provides a low-code AI IDE to build MCP tools connected multi-agent assistants. Its technology enables users to to build, manage and deploy user-facing assistants.
API-first identity management and authorization
BoxyHQ provides open-source solutions for enterprise security, including SAML and OAuth integrations, to help companies secure their applications and manage user authentication efficiently.
Platform for AI agent observability & debugging.
AgentOps provides an agent evaluation and observability platform. It allows users to visualize agent behavior, catch regressions, and deploy confidently using advanced evals and metrics. Their platform serves enterprise clients.
Lightweight vision-language model for devices
Moondream offers a lightweight and versatile language model designed to process both image and text inputs. It is built on transformer and vision transformer architectures and can be used across various applications. Moondream primarily targets enterprise users.
Open-source SDK & cloud infra for MCP
Manufact (formerly mcp-use) provides open-source SDKs and cloud infrastructure for building and deploying Model Context Protocol (MCP) servers, MCP apps for ChatGPT, and AI agents. The company's libraries have accumulated over 4 million downloads and 9,000 GitHub stars, with adoption by organizations including NASA, NVIDIA, and SAP. Manufact offers an MCP Cloud platform that connects GitHub repositories to production deployments with observability, metrics, logs, and branch deployments. The company is a Y Combinator S25 batch company headquartered in San Francisco and Zürich.
Kubernetes network security and observability
Tigera provides security and observability solutions for Kubernetes. Tigera’s core offering, Calico, delivers advanced security, compliance, and observability for multi-cluster Kubernetes, containers, and cloud environments. The company serves enterprise customers.
Zero-trust access and VPN replacement
Firezone provides open-source network security solutions, including VPN and firewall tools, to help organizations secure their network infrastructure. Their platform supports various protocols and integrations.

Your view into the COSS universe
Distributed SQL database with AI features.
YDB is a distributed SQL database designed to handle large-scale workloads with high availability and consistency. It is built on technologies that enable horizontal scalability and strong consistency, making it suitable for enterprise applications. YDB primarily serves enterprise customers.
Open-source LLMOps platform
Agenta is an open-source LLMOps platform that provides developers and product teams with integrated tools for prompt management, evaluation, human annotation, and observability of large language model applications. The platform enables teams to version and compare prompts, run automated and human-in-the-loop evaluations, trace production requests, and collaborate across engineering and domain-expert roles—all from a single interface.
OSS platform for building audio and video apps
LiveKit offers an open-source platform for building real-time audio and video applications. Their tools support low-latency communication and integration with various devices and platforms.
A cloud-native, platform-agnostic API gateway
Kong Inc. provides an open-source API platform and service connectivity platform that enables developers to manage APIs and microservices across hybrid and multi-cloud environments. The company serves enterprises in various industries, offering solutions for API management, service mesh, Kubernetes ingress, and developer portals.
AI for automating browser-based workflows.
Skyvern helps companies automate browser-based workflows using LLMs and Computer Vision, fully automating manual workflows and replacing brittle or unreliable scripts.
Open source software solutions for enterprise IT
SUSE is a global leader in innovative, reliable and secure enterprise open source solutions, including SUSE Linux, SUSE Rancher, and SUSE Edge.
Develops generative AI models for image creation.
Black Forest Labs is an AI research company that develops state-of-the-art generative models for image and video creation. The company creates the FLUX family of models, including FLUX.1 for text-to-image generation, image editing, and in-context image generation, offering both open-weight models and commercial API services.
Nix binary cache hosting service
Cachix provides Nix binary cache hosting that allows development teams to share build artifacts between CI, development, and deployment environments, eliminating redundant builds. The company also develops devenv, an open-source tool for creating fast, declarative, and reproducible developer environments using Nix.
No headlines available
Blockchain for real-world assets and payments.
Polygon is a decentralized Ethereum scaling platform that enables developers to build scalable and user-friendly dApps with low transaction fees. It focuses on providing Layer 2 scaling solutions and infrastructure for Ethereum-compatible blockchain networks. Polygon serves enterprises and developers in the blockchain and technology industries.
Open-source voice AI for building voice agents.
Vocode provides open-source tools for building conversational AI applications, enabling developers to create chatbots and virtual assistants with ease. Their platform supports various languages and integrations.

Your view into the COSS universe
Right-time data platform for CDC & streaming
Estuary is the right-time data platform that unifies CDC (Change Data Capture), batch, and streaming into one dependable system. Built for enterprises that need control over cost, latency, and deployment, Estuary helps teams move data exactly when it's needed — powering analytics, operations, and AI without the complexity of multiple tools. With hundreds of in-house connectors, Estuary provides millisecond-latency data pipelines with flexible deployment options including SaaS, BYOC, and private plane deployments.
Open-source authorization & access control system.
Cerbos offers an open-source authorization layer that simplifies the implementation of complex access control policies in applications. It helps developers manage permissions and roles efficiently.
AI inference and training infrastructure
RadixArk is an infrastructure-first company building large-scale AI inference and training systems. It is the commercial entity behind SGLang, an open-source inference engine originally developed at UC Berkeley, and Miles, an enterprise-facing reinforcement learning framework for LLM and VLM post-training. The company offers hosted inference services built on top of its open-source tooling, targeting AI teams that need fast, cost-efficient model serving at scale.
Open-source framework for programmatic video
Revideo is an open-source TypeScript framework for programmatic video editing, forked from Motion Canvas. It lets developers create video templates in TypeScript and deploy an API endpoint to render them with dynamic inputs, enabling automation of complex video workflows or the construction of entire browser-based video editors. The framework provides a React player component for real-time preview and supports headless rendering via serverless functions.
Industrial platform for Node-RED at scale
FlowFuse is an industrial application platform built around Node-RED, the open-source low-code programming tool, that enables organizations to connect industrial machines, collect and transform operational data, and deploy applications at scale. The platform provides enterprise-grade features including team collaboration, remote device management, DevOps pipelines, and an AI-powered copilot that generates Node-RED flows and dashboards from natural language prompts.
Self-hosted lightweight software forge.
Forgejo is a self-hosted lightweight software forge that is easy to install and maintain, focusing on security, scaling, federation, and privacy.
Dawarich visualizes location history and travel.
Dawarich provides an open source, self-hostable alternative to Google Location History. Its platform allows users to visualize their location history, track their own movements, and analyze their travel patterns in a privacy-centric way.
eBPF-powered Kubernetes networking & security
Isovalent is the company behind Cilium and Tetragon, leading the eBPF revolution. Isovalent empowers organizations to modernize their cloud native infrastructure with Cilium's advanced networking, security, and observability capabilities. Isovalent serves enterprise customers.
Programmatic video creation with React
Remotion provides a React-based framework for creating videos programmatically, enabling developers to build sophisticated video applications using web technologies like CSS, Canvas, SVG, and WebGL. The platform supports server-side rendering, parametrizable content, and scalable video generation for applications ranging from music visualization to automated video production.
Framework for federated AI learning
Flower AI provides a unified platform for building products with decentralized AI, leveraging federated learning. The company aims to empower organizations and individuals to collaborate on AI development while protecting data privacy and ownership. It is built on technologies like federated learning and differential privacy and serves enterprise clients.

Your view into the COSS universe
Software quality tools for building and testing.
SmartBear provides comprehensive software development and testing tools through API lifecycle management, automated testing, and application monitoring solutions.
Collaborative cybersecurity threat intelligence platform
CrowdSec provides AI-driven, ultra-curated collective threat intelligence to preemptively block malicious IPs through a collaborative cybersecurity model. The company operates a global network of 100,000+ active users across 190+ countries who share threat intelligence to create a 'Waze-like' security network that processes 15 million signals daily on aggressive IPs.
Open-source API documentation and client platform.
Scalar is a platform for creating API documentation.
Platform for building and managing AI agents.
Rowboat Labs provides a low-code AI IDE to build MCP tools connected multi-agent assistants. Its technology enables users to to build, manage and deploy user-facing assistants.
API-first identity management and authorization
BoxyHQ provides open-source solutions for enterprise security, including SAML and OAuth integrations, to help companies secure their applications and manage user authentication efficiently.
Platform for AI agent observability & debugging.
AgentOps provides an agent evaluation and observability platform. It allows users to visualize agent behavior, catch regressions, and deploy confidently using advanced evals and metrics. Their platform serves enterprise clients.
Lightweight vision-language model for devices
Moondream offers a lightweight and versatile language model designed to process both image and text inputs. It is built on transformer and vision transformer architectures and can be used across various applications. Moondream primarily targets enterprise users.
Open-source SDK & cloud infra for MCP
Manufact (formerly mcp-use) provides open-source SDKs and cloud infrastructure for building and deploying Model Context Protocol (MCP) servers, MCP apps for ChatGPT, and AI agents. The company's libraries have accumulated over 4 million downloads and 9,000 GitHub stars, with adoption by organizations including NASA, NVIDIA, and SAP. Manufact offers an MCP Cloud platform that connects GitHub repositories to production deployments with observability, metrics, logs, and branch deployments. The company is a Y Combinator S25 batch company headquartered in San Francisco and Zürich.
Kubernetes network security and observability
Tigera provides security and observability solutions for Kubernetes. Tigera’s core offering, Calico, delivers advanced security, compliance, and observability for multi-cluster Kubernetes, containers, and cloud environments. The company serves enterprise customers.
Zero-trust access and VPN replacement
Firezone provides open-source network security solutions, including VPN and firewall tools, to help organizations secure their network infrastructure. Their platform supports various protocols and integrations.

Your view into the COSS universe
Distributed SQL database with AI features.
YDB is a distributed SQL database designed to handle large-scale workloads with high availability and consistency. It is built on technologies that enable horizontal scalability and strong consistency, making it suitable for enterprise applications. YDB primarily serves enterprise customers.
Open-source LLMOps platform
Agenta is an open-source LLMOps platform that provides developers and product teams with integrated tools for prompt management, evaluation, human annotation, and observability of large language model applications. The platform enables teams to version and compare prompts, run automated and human-in-the-loop evaluations, trace production requests, and collaborate across engineering and domain-expert roles—all from a single interface.
OSS platform for building audio and video apps
LiveKit offers an open-source platform for building real-time audio and video applications. Their tools support low-latency communication and integration with various devices and platforms.
A cloud-native, platform-agnostic API gateway
Kong Inc. provides an open-source API platform and service connectivity platform that enables developers to manage APIs and microservices across hybrid and multi-cloud environments. The company serves enterprises in various industries, offering solutions for API management, service mesh, Kubernetes ingress, and developer portals.
AI for automating browser-based workflows.
Skyvern helps companies automate browser-based workflows using LLMs and Computer Vision, fully automating manual workflows and replacing brittle or unreliable scripts.
Open source software solutions for enterprise IT
SUSE is a global leader in innovative, reliable and secure enterprise open source solutions, including SUSE Linux, SUSE Rancher, and SUSE Edge.
Develops generative AI models for image creation.
Black Forest Labs is an AI research company that develops state-of-the-art generative models for image and video creation. The company creates the FLUX family of models, including FLUX.1 for text-to-image generation, image editing, and in-context image generation, offering both open-weight models and commercial API services.
Nix binary cache hosting service
Cachix provides Nix binary cache hosting that allows development teams to share build artifacts between CI, development, and deployment environments, eliminating redundant builds. The company also develops devenv, an open-source tool for creating fast, declarative, and reproducible developer environments using Nix.
No headlines available
Blockchain for real-world assets and payments.
Polygon is a decentralized Ethereum scaling platform that enables developers to build scalable and user-friendly dApps with low transaction fees. It focuses on providing Layer 2 scaling solutions and infrastructure for Ethereum-compatible blockchain networks. Polygon serves enterprises and developers in the blockchain and technology industries.
Open-source voice AI for building voice agents.
Vocode provides open-source tools for building conversational AI applications, enabling developers to create chatbots and virtual assistants with ease. Their platform supports various languages and integrations.

