Source-verified BIOS and firmware packs for RetroArch, Batocera, Recalbox, Lakka, RetroPie, EmuDeck, RetroBat, RetroDECK, RomM, BizHawk, ROCKNIX, and MiSTer FPGA. Platform-native verification, with emulator source code as the deciding authority.
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.