Open Design : Local-first, open-source alternative to Anthropic's Claude Design
superpowers : Superpowers is a complete software development methodology for your coding agents, built on top of a set of composable skills and some initial instruc...
Spec Kit : An open source toolkit that allows you to focus on product scenarios and predictable outcomes instead of vibe coding every piece from scratch.
Headroom compresses everything your AI agent reads — tool outputs, logs, RAG chunks, files, and conversation history — before it reaches the LLM. Same answers, fraction of the tokens.