Sealbook / Open source / Alternatives / Anthropic

Open-source alternatives to Anthropic

3 open-source projects on GitHub that describe themselves as an alternative to Anthropic: LibreChat, nanoclaw, GoModel. Compare stars, license and activity, or see Anthropic on Sealbook.

	Repository	Stars	Language	License	Activity
1	LibreChat-AI/LibreChatEnhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, Open	★ 45.9k	TypeScript	MIT	Active
2	nanocoai/nanoclawA lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other	★ 31k	TypeScript	MIT	Active
3	ENTERPILOT/GoModelAI gateway / AI control plane / AI proxy written in Go. Unified OpenAI-compatible and Anthropic-compatible API for OpenAI, Anthropic, Gemini	★ 1.2k	Go	MIT	Active