Rank 1Twenty
The #1 Open Source CRM for modern teams. Modular, scalable, and built to fit your business.
Popular projects
2,000 to under 100,000 GitHub stars · most stars first within each tier · Methodology
★ 30,000–under 100,000 · Business · 3 projects
Green numbers beside ★ are stars gained since the previous check · Most stars
Rank 2Mattermost
Accelerate your mission critical workflow by integrating people, processes, tools and AI infrastructure on a resilient and adaptable platform.
Rank 3Onyx AI
The open-source AI enterprise search platform that helps teams find information across all company data.