TheCollection
684 hand-picked open-source projects. OSS has matured — production-grade, actively maintained, and ready to replace your SaaS stack.
684 projects, evaluated for quality. Here's what the landscape looks like.
Momentum
What's moving fastest in the OSS ecosystem right now.
Most Active Right Now
By development velocity (commits / month)
Rising Categories
Share of apps created since 2024
Languages
avg 8.8 per projectAlso appears in (secondary languages, ≥1% of codebase)
Top 10
Most starred projects in our collection
n8n
claw-code
AutoGPT
OpenCode
Ollama
Langflow
Dify
Firecrawl
Open WebUI
ComfyUI
By Category
Explore apps organized by use case and function. From AI agents to productivity tools, find what you need.
Open Source Licenses
How projects choose to share their code. MIT leads the way with its permissive terms.
Project Vitals
Health scores and maintenance activity across the collection
Health Scores
Based on activity, community & maintenance
Activity Status
How actively maintained are these projects?
Health Score Breakdown
Average scores across 5 health dimensions (684 apps)
Technical Quality
AI-assessed code quality across 684 projects
Highest Rated
Top projects by technical quality score
Grist
Godot Engine
Supabase
Bun
Grafana
marimo
GPT Researcher
ClickHouse
Argo Workflows
Coder
Project Timeline
When these 682 projects were created (apps with known creation dates)
OSS now covers the tools founders pay most for. Here's where the replacements exist.
Most Covered SaaS
SaaS products with the most open source coverage
Where OSS Thrives
Categories with the best open source coverage
Ready to explore?
Browse our full collection of open-source applications and find the perfect tools for your next project.