Open Source: #llm

Catalog projects marked with #llm. Tags work as dedicated landing pages, so related tools are easier to find and connect.

This collection holds 55 projects with a combined 4,548,466 GitHub stars. Main languages: Python, TypeScript, Go.

About the LLM tools

Large language models stopped being research-lab magic — people now run them locally, fine-tune them on their data, and ship them inside products. The open source ecosystem around LLMs moves faster than any other: new tools land literally every week.

This collection covers inference engines, RAG and agent frameworks, API wrappers, and local runners. If you are building on top of language models, start here: these are proven projects under active development.

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Found: 55
NousResearch/hermes-agent
Hermes Agent

Hermes Agent is a Python project around a personal/growing AI agent from the NousResearch ecosystem.

Stars 185,400 Forks 31,865 Author NousResearch Language Python License MIT
Open
Significant-Gravitas/AutoGPT
AutoGPT

AutoGPT is one of the best-known early projects around autonomous AI agents and tooling for building them.

Stars 184,808 Forks 46,188 Author Significant-Gravitas Language Python License NOASSERTION
Open
langflow-ai/langflow
Langflow

Langflow is a visual builder for AI agents and workflows with Python components, API/MCP servers, and deployment-focused features.

Stars 149,347 Forks 9,207 Author langflow-ai Language Python License MIT
Open
langgenius/dify
Dify

Dify is a production-oriented low-code platform for agentic workflows, RAG, orchestration, and LLM applications.

Stars 144,264 Forks 22,704 Author langgenius Language TypeScript License NOASSERTION
Open
open-webui/open-webui
Open WebUI

Open WebUI is a self-hosted AI interface for Ollama, OpenAI-compatible APIs, RAG, tools, users, and local LLM workflows.

Stars 140,472 Forks 20,165 Author open-webui Language Python License NOASSERTION
Open
langchain-ai/langchain
LangChain

LangChain is an agent engineering platform and Python framework for LLM applications, integrations, agents, and RAG workflows.

Stars 138,727 Forks 22,989 Author langchain-ai Language Python License MIT
Open