Best Open Source LLM Frameworks
Ranked by GitHub stars and 252 days of tracked growth. The top open source LLM frameworks below are updated daily — pick two to see a full side-by-side comparison.
1
ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
2
hermes-agent
The agent that grows with you
3
AutoGPT
AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.
4
ollama
Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.
5
prompts.chat
f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.
6
transformers
🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.
7
firecrawl
The API to search, scrape, and interact with the web at scale. 🔥
8
dify
Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
9
open-webui
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
10
langchain
The agent engineering platform.
11
generative-ai-for-beginners
21 Lessons, Get Started Building with Generative AI
12
browser-use
🌐 Make websites accessible for AI agents. Automate tasks online with ease.
⚖️ Compare LLM frameworks head-to-head
Real adoption data, side by side.