Spotlights

RayAI is agent infrastructure powered by Ray, the compute engine behind frontier models.

YC alum Andres Morey sees parallels between 2007 internet skepticism and today's Open Core doubts. His Kubetail project's growth in Catalyst indicates open source companies are starting to have their

At the start of the program, Alumnium had 29 stars and 2 contributors driving development. Today, it's grown to 12 contributors, over 400 stars, and more than 1,200 downloads per month.

Building on the open source framework browser-use, Gobii aims to bring the power of AI web agents to all.

Building on top of the world’s leading open source electronic medical records system, OpenCoreEMR aims to create an open, intelligent, and predictive healthcare ecosystem.

CTO Knut Sveidqvist and CEO Andrew Firestone share their journey in building Mermaid Chart from inception to a Seed-funded company.

Triton contributor Simon Waters joins as CTO to develop an end-to-end AI hardware accelerator platform.

OCV’s first Catalyst project gets a massive boost in downloads and GitHub popularity. The open source AI coding agent combines research, planning, and implementation to help developers build software

Stirling PDF goes open-core! The first open-source, self-hosted PDF editing suite is expanding with enterprise features, automation, and AI—giving users control without compromising security.

External Secrets launches to tackle secret sprawl in enterprise IT. Built on ESO, it syncs secrets across systems, automates access, and simplifies compliance—without storing sensitive data.

Locust Technologies launches with a hosted load testing suite built on open-source Locust. Flexible, code-based, and scalable—Locust makes performance testing easy for developers and enterprises.

GrapesJS creator Artur Arseniev launches Grapes Studio with OCV to expand the open-source no-code web builder into a SaaS and embeddable Studio SDK, aiming to make web development more accessible.

Duplicati Inc. launches with OCV funding to expand its zero-trust, encrypted backup for enterprises. CTO Kenneth Skovhede will enhance its open-source core and add enterprise-ready features.

Dr. Nick Knize launches Lucenia Inc., an open core search and analytics engine built on Apache Lucene, focusing on autoscaling, cloud cost efficiency, and a strong open-source commitment.

Phaser creator Richard Davey launches Phaser Studio to modernize browser-based game development with Phaser 4, focusing on playable ads and seamless integration across desktop and mobile.

Kedify, founded by KEDA maintainer Zbynek Roubalik, brings enterprise-ready event-driven autoscaling to Kubernetes, optimizing cloud costs while staying true to open source principles.

Ramatak, built by Godot’s co-founder, expands open source game development with a fully compatible engine, enabling seamless mobile game creation, monetization, and ethical open core innovation.

Ondsel, built on FreeCAD, is making solid modeling tools more accessible by enabling web-based collaboration, customization, and open source innovation for engineers, designers, and makers.

Authentik Security, OCV’s first Public Benefit Company, ensures open source identity management stays transparent, flexible, and sustainable while enabling full-time development and innovation.

Mermaid Chart is changing how we communicate. Creating dynamic text-based diagrams removes the clumsy design layer and improves collaboration.