mastra alternatives

mastra-ai/mastra (29k stars, +49 this week): Mastra is the modern TypeScript framework for AI-powered applications and 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 mastra, 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. rohitg00/ai-engineering-from-scratch

   +889/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, llm, mcp, typescript

2. 2. mudler/LocalAI

   +35/wkest.

   LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required. Why it matters: useful plumbing for shipping LLM-powered features.

   50k stars · Go · shared topics: agents, ai, llm, mcp, tts

3. 3. KKKKhazix/AIHOT

   +371/wkest.

   A website framework that collects hot topics from your sources and writes daily reports for any industry. Why it matters: useful plumbing for shipping LLM-powered features.

   7.6k stars · TypeScript · shared topics: ai, llm, mcp, typescript

4. 4. headroomlabs-ai/headroom

   +266/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, llm, mcp, typescript

5. 5. langchain-ai/langchain

   +161/wkest.

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

   148k stars · Python · shared topics: agents, ai, llm, typescript

6. 6. 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, llm, nextjs, typescript

7. 7. 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, llm, mcp, nextjs

8. 8. amitshekhariitbhu/ai-engineering-interview-questions

   +42/wkest.

   Your Cheat Sheet for AI Engineering Interview – Questions and Answers. Why it matters: useful plumbing for shipping LLM-powered features.

   3.4k stars · Markdown · shared topics: agents, ai, llm, mcp

9. 9. NanmiCoder/cc-haha

   +28/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: ai, llm, mcp, typescript

10. 10. can1357/oh-my-pi

    +224/wkest.

    ⌥ Coding agent with the IDE wired in. Built by Stencil Labs. Why it matters: useful plumbing for shipping LLM-powered features.

    35k stars · TypeScript · shared topics: llm, mcp, typescript

11. 11. open-webui/open-webui

    +175/wkest.

    User-friendly AI Interface (Supports Ollama, OpenAI API, ...). Why it matters: useful plumbing for shipping LLM-powered features.

    156k stars · Python · shared topics: ai, llm, mcp

12. 12. unclecode/crawl4ai

    +140/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, llm, mcp

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