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1. Flagsmith/flagsmith Flagsmith/flagsmith Public

   Flagsmith is an open source feature flagging and remote config service. Self-host or use our hosted version at https://app.flagsmith.com.

   Python 6.5k 556

2. PostHog/posthog PostHog/posthog Public

   🦔 PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture…

   Python 37.6k 3.2k

3. unslothai/unsloth unslothai/unsloth Public

   The local UI to run and train text and diffusion models, including Kimi K3, Gemma 4, Qwen3.6, DeepSeek-V4, FLUX and more.

   Python 69.8k 6.3k

4. wasp-lang/open-saas wasp-lang/open-saas Public

   A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Sh…

   MDX 15.2k 1.8k

5. freeCodeCamp/freeCodeCamp freeCodeCamp/freeCodeCamp Public

   freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

   TypeScript 454k 45.9k

6. streetwriters/notesnook streetwriters/notesnook Public

   A fully open source & end-to-end encrypted note taking alternative to Evernote.

   TypeScript 14.4k 979