codecrafters-io/build-your-own-x
Master programming by recreating your favorite technologies from scratch.
PostHog/posthog
🦔 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 all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
HenryNdubuaku/maths-cs-ai-compendium
Become a cracked AI/ML Research Engineer
github/copilot-sdk
Multi-platform SDK for integrating GitHub Copilot Agent into apps and services
anthropics/cwc-workshops
tirth8205/code-review-graph
Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.
docusealco/docuseal
Open source DocuSign alternative. Create, fill, and sign digital documents ✍️
RyanCodrai/turbovec
A vector index built on TurboQuant, written in Rust with Python bindings
HKUDS/DeepTutor
DeepTutor: Lifelong Personalized Tutoring. https://deeptutor.info/.