headroom alternatives

headroomlabs-ai/headroom (75k stars, +315 this week): Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 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 headroom, 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: ai, anthropic, langchain, llm, openai, python, rag, typescript

2. 2. 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: anthropic, claude-code, context-engineering, cursor, llm, mcp, openai

3. 3. 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, anthropic, claude-code, cursor, llm, openai, prompt-engineering

4. 4. NanmiCoder/cc-haha

   +42/wkest.

   | Local-first Claude Code AI Agent desktop workspace: multi-agent teams, Git worktrees, diffs, skills marketplace, multi-model, Computer… Why it matters: useful plumbing for shipping LLM-powered features.

   15k stars · TypeScript · shared topics: agent, ai, anthropic, claude-code, llm, mcp, typescript

5. 5. JuliusBrussee/caveman

   +700/wkest.

   🪨 why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman. Why it matters: useful plumbing for shipping LLM-powered features.

   112k stars · Go · shared topics: ai, anthropic, claude-code, llm, prompt-engineering, tokens

6. 6. langgenius/dify

   +147/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: agent, ai, llm, mcp, openai, python

7. 7. langchain-ai/langgraph

   +140/wkest.

   Build resilient agents. Why it matters: useful plumbing for shipping LLM-powered features.

   43k stars · Python · shared topics: ai, langchain, llm, openai, python, rag

8. 8. lidge-jun/opencodex

   +126/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, claude-code, llm, openai, proxy, typescript

9. 9. 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: agent, ai, llm, mcp, openai, python

10. 10. CoplayDev/unity-mcp

    +70/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, cursor, llm, mcp, openai

11. 11. jeecgboot/JeecgBoot

    +35/wkest.

    【低代码v2.0，一句话即可生成整个系统】企业级AI低代码平台，一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖：AI聊天、知识库、流程编排、MCP插件等，兼容主流大模型。 Why it matters: useful plumbing for shipping LLM-powered features.

    48k stars · Java · shared topics: agent, ai, claude-code, llm, mcp, rag

12. 12. 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: ai, llm, mcp, python, typescript

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