575 hand-picked open-source projects. OSS has matured — production-grade, actively maintained, and ready to replace your SaaS stack.
572 projects, evaluated for quality. Here's what the landscape looks like.
What's moving fastest in the OSS ecosystem right now.
By development velocity (commits / month)
Share of apps created since 2024
Also appears in (secondary languages, ≥1% of codebase)
Most starred projects in our collection
Explore apps organized by use case and function. From AI agents to productivity tools, find what you need.
How projects choose to share their code. MIT leads the way with its permissive terms.
Health scores and maintenance activity across the collection
Based on activity, community & maintenance
How actively maintained are these projects?
Average scores across 5 health dimensions (575 apps)
AI-assessed code quality across 575 projects
Top projects by technical quality score
When these 479 projects were created (apps with known creation dates)
OSS now covers the tools founders pay most for. Here's where the replacements exist.
SaaS products with the most open source coverage
Categories with the best open source coverage
Browse our full collection of open-source applications and find the perfect tools for your next project.