LibreChat alternatives

LibreChat-AI/LibreChat (46k stars, +63 this week): Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral… Why it matters: useful plumbing for shipping LLM-powered features.

Below are 12 other LLM tooling repos tracked by OSS Radar that share at least two GitHub topics with LibreChat, ordered by how many topics overlap, then by stars gained in the last 7 days. Topic overlap means a similar problem space, not a drop-in replacement, so check each project's README.

1. 1. asgeirtj/system_prompts_leaks

   +77/wkest.

   Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Why it matters: useful plumbing for shipping LLM-powered features.

   70k stars · Python · shared topics: ai, anthropic, chatgpt, claude, gemini, google, openai

2. 2. lobehub/lobehub

   +56/wkest.

   🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI… Why it matters: useful plumbing for shipping LLM-powered features.

   83k stars · TypeScript · shared topics: ai, chatgpt, claude, deepseek, gemini, mcp, openai

3. 3. diegosouzapw/OmniRoute

   +553/wkest.

   Never stop coding. Free MIT AI gateway: one endpoint, 359 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek… Why it matters: useful plumbing for shipping LLM-powered features.

   76k stars · TypeScript · shared topics: anthropic, claude, deepseek, gemini, mcp, openai

4. 4. guillaumemeyer/watermarks-remover

   +105/wkest.

   A privacy-first app that strips AI watermarks from content you own. Why it matters: useful plumbing for shipping LLM-powered features.

   24k stars · Python · shared topics: ai, anthropic, chatgpt, claude, gemini, openai

5. 5. lidge-jun/opencodex

   +84/wkest.

   Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK… Why it matters: useful plumbing for shipping LLM-powered features.

   17k stars · TypeScript · shared topics: anthropic, chatgpt, claude, deepseek, gemini, openai

6. 6. decolua/9router

   +77/wkest.

   Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Why it matters: useful plumbing for shipping LLM-powered features.

   31k stars · JavaScript · shared topics: anthropic, chatgpt, claude, deepseek, gemini, openai

7. 7. code-yeongyu/oh-my-openagent

   +63/wkest.

   OmO: Just type "mass ulw" keyword with your prompt. Now you are the master of graph engineering. Why it matters: useful plumbing for shipping LLM-powered features.

   70k stars · TypeScript · shared topics: ai, anthropic, chatgpt, claude, gemini, openai

8. 8. CoplayDev/unity-mcp

   +56/wkest.

   Unity MCP acts as a bridge between AI assistants and your Unity Editor. Why it matters: useful plumbing for shipping LLM-powered features.

   15k stars · C# · shared topics: ai, anthropic, claude, gemini, mcp, openai

9. 9. NousResearch/hermes-agent

   +539/wkest.

   The agent that grows with you. Why it matters: useful plumbing for shipping LLM-powered features.

   254k stars · Python · shared topics: ai, anthropic, chatgpt, claude, openai

10. 10. langchain-ai/langchain

    +161/wkest.

    The agent engineering platform. Why it matters: useful plumbing for shipping LLM-powered features.

    148k stars · Python · shared topics: ai, anthropic, chatgpt, gemini, openai

11. 11. f/prompts.chat

    +154/wkest.

    f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Why it matters: useful plumbing for shipping LLM-powered features.

    173k stars · HTML · shared topics: ai, chatgpt, claude, gemini, openai

12. 12. langgenius/dify

    +126/wkest.

    Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Why it matters: useful plumbing for shipping LLM-powered features.

    158k stars · TypeScript · shared topics: ai, claude, deepseek, mcp, openai

More: all trending LLM tooling repos · compare LibreChat with the top 2