Who uses it

Open source repos that use LangChain

11 public repos that SeeRepo read use LangChain. It's used most with langchain-openai, cryptography, and langchain-anthropic.

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Used most with

LangChain11 repos

langchain-openai5 repos
cryptography4 repos
langchain-anthropic4 repos
LangGraph4 repos
FastAPI3 repos
OpenAI3 repos
uvicorn3 repos
AIOHTTP3 repos

The repos, by stars

With commits signed by AI

1.
n8n-io/n8n
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
TypeScript+54209.5kAI 14.4%What it’s built with The AI
2.
langflow-ai/langflow
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
Python+55156.3kAI 1.5%What it’s built with The AI
3.
langchain-ai/langchain
The agent engineering platform.
Python+11149kAI 0.3%What it’s built with The AI
4.
TauricResearch/TradingAgents
TradingAgents: Multi-Agents LLM Financial Trading Framework
Python+4120.5kAI 2.1%What it’s built with
5.
JuliusBrussee/caveman
🪨 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.
Go+10117.4kAI 74.4%What it’s built with The AI
6.
PaddlePaddle/PaddleOCR
Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.
C+++2092.3kAI 0.3%What it’s built with
7.
bytedance/deer-flow
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
Python+5785kAI 12.7%What it’s built with The AI
8.
NVIDIA/SkillSpector
Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.
Python+824.3kAI 19.5%What it’s built with The AI
9.
comet-ml/opik
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
Python+8923.2kAI 19.7%What it’s built with The AI
10.
1Panel-dev/MaxKB
🔥 MaxKB is an open-source platform for building enterprise-grade agents. 强大易用的开源企业级智能体平台。
Python+4323.1kWhat it’s built with
11.
micro/go-micro
A framework for agents, tools and services
Go+2023.1kAI 20.5%What it’s built with The AI