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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 6.4k 536

2. PostHog/posthog PostHog/posthog Public

   🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, d…

   Python 35.3k 2.9k

3. unslothai/unsloth unslothai/unsloth Public

   Unsloth Studio is a web UI for training and running open models like Gemma 4, Qwen3.6, DeepSeek, gpt-oss locally.

   Python 67.7k 6.1k

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…

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5. freeCodeCamp/freeCodeCamp freeCodeCamp/freeCodeCamp Public

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

   TypeScript 451k 45.3k