open-codesign

Open-source Claude Design alternative. One-click import your Claude Code / Codex API key. Prompt → prototype / slides / PDF. Multi-model (Claude, GPT, Gemini, Kimi, GLM, Ollama). BYOK, local-first, MIT. Maintained by OpenCoworkAI on GitHub, where it has earned 7,655 stars from the community.

It's actively developed around ai-design, anthropic, byok, and is a solid reference for anyone building with these tools.