langgraph alternatives

langchain-ai/langgraph (43k stars, +140 this week): Build resilient agents. 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 langgraph, 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. langchain-ai/langchain

   +182/wkest.

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

   148k stars · Python · shared topics: agents, ai, ai-agents, chatgpt, deepagents, enterprise, framework, gemini, generative-ai, langchain, langgraph, llm, multiagent, open-source, openai, pydantic, python, rag

2. 2. asgeirtj/system_prompts_leaks

   +91/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, ai-agents, chatgpt, gemini, generative-ai, llm, openai

3. 3. mem0ai/mem0

   +77/wkest.

   The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production. Why it matters: useful plumbing for shipping LLM-powered features.

   67k stars · Python · shared topics: agents, ai, ai-agents, chatgpt, llm, python, rag

4. 4. rohitg00/ai-engineering-from-scratch

   +1.1k/wkest.

   Learn AI Engineering! Learn it. Build it. Ship it for others. Why it matters: useful plumbing for shipping LLM-powered features.

   69k stars · Python · shared topics: agents, ai, ai-agents, generative-ai, llm, python

5. 5. headroomlabs-ai/headroom

   +315/wkest.

   Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. Why it matters: useful plumbing for shipping LLM-powered features.

   75k stars · Python · shared topics: ai, langchain, llm, openai, python, rag

6. 6. f/prompts.chat

   +203/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, gemini, llm, open-source, openai

7. 7. unclecode/crawl4ai

   +182/wkest.

   Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Why it matters: useful plumbing for shipping LLM-powered features.

   85k stars · Python · shared topics: ai, ai-agents, llm, open-source, python, rag

8. 8. AstrBotDevs/AstrBot

   +98/wkest.

   AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw… Why it matters: useful plumbing for shipping LLM-powered features.

   42k stars · Python · shared topics: ai, chatgpt, gemini, llm, openai, python

9. 9. NousResearch/hermes-agent

   +714/wkest.

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

   254k stars · Python · shared topics: ai, ai-agents, chatgpt, llm, openai

10. 10. Tencent/WeKnora

    +679/wkest.

    Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki. Why it matters: useful plumbing for shipping LLM-powered features.

    34k stars · Go · shared topics: ai, generative-ai, llm, openai, rag

11. 11. BlenderGPT3D/blender-ai-addon

    +581/wkest.

    Blender add-on: create and edit 3D models by chatting with AI - send text or an image, get working bpy code. Why it matters: useful plumbing for shipping LLM-powered features.

    211 stars · Python · shared topics: ai, chatgpt, generative-ai, llm, python

12. 12. trailhq/Trail-Code

    +133/wkest.

    Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your… Why it matters: useful plumbing for shipping LLM-powered features.

    10k stars · TypeScript · shared topics: ai-agents, gemini, llm, open-source, openai

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