Repositories list

• docs

  Public

  langchain-ai/docs’s past year of commit activity
  🦜🔗 Docs for LangChain projects

  documentationlangchainlangsmith+ 1

  documentationlangchainlangsmithlanggraph

  MDX

  •

  MIT License

  •2.3k2.3k forks•312312 stars•213213 issues•210210 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langgraphjs

  Public

  langchain-ai/langgraphjs’s past year of commit activity
  Framework to build resilient language agents as graphs.

  nodetypescriptai+ 4

  nodetypescriptaiartificial-intelligenceagentsllmgenerative-ai

  TypeScript

  •

  MIT License

  •475475 forks•2.8k2.8k stars•9494 issues•5757 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langchain

  Public

  langchain-ai/langchain’s past year of commit activity
  The agent engineering platform

  pythonopen-sourceenterprise+ 16

  pythonopen-sourceenterpriseframeworkaigeminiopenaimultiagentagentsai-agents+ 9

  Python

  •

  MIT License

  •22k22k forks•135k135k stars•396396 issues•161161 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langsmith-java

  Public
  LangSmith Java SDK.

  Kotlin

  •

  MIT License

  •22 forks•2020 stars•11 issue•22 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langsmith-go

  Public

  langchain-ai/langsmith-go’s past year of commit activity
  Go

  •

  MIT License

  •77 forks•2020 stars•11 issue•77 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langchain-nvidia

  Public

  langchain-ai/langchain-nvidia’s past year of commit activity
  Jupyter Notebook

  •

  MIT License

  •8585 forks•199199 stars•1414 issues•11 pull request•Updated Apr 29, 2026Apr 29, 2026

• deepagents

  Public
  Agent harness built with LangChain and LangGraph. Equipped with a planning tool, a filesystem backend, and the ability to spawn subagents - well-equipped to han…

  ailangchainlanggraph+ 1

  ailangchainlanggraphdeepagents

  Python

  •

  MIT License

  •3.1k3.1k forks•22k22k stars•168168 issues•7373 pull requests•Updated Apr 29, 2026Apr 29, 2026

• deepagentsjs

  Public
  Agent harness built with LangChain and LangGraph. Equipped with a planning tool, a filesystem backend, and the ability to spawn subagents - well-equipped to han…

  ailangchainlanggraph+ 1

  ailangchainlanggraphdeepagents

  TypeScript

  •

  MIT License

  •185185 forks•1.2k1.2k stars•2323 issues•2828 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langchainjs

  Public
  The agent engineering platform

  TypeScript

  •

  MIT License

  •3.1k3.1k forks•18k18k stars•176176 issues•152152 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langchain-mongodb

  Public
  Integrations between MongoDB, Atlas, LangChain, and LangGraph

  mongodbmongodb-atlaslangchain

  mongodbmongodb-atlaslangchain

  Python

  •

  MIT License

  •4646 forks•105105 stars•55 issues•99 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langchain-google

  Public

  langchain-ai/langchain-google’s past year of commit activity
  🦜🔗 LangChain interfaces to Google's suite of AI products (Gemini & Vertex AI)

  aigeminigemini-api+ 4

  aigeminigemini-apivertex-aillmlangchainlangchain-python

  Python

  •

  MIT License

  •425425 forks•370370 stars•8686 issues•5757 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langsmith-data-migration-tool

  Public
  A CLI tool to help users migrate data from their LangSmith cloud/self-hosted workspaces

  Python

  •

  MIT License

  •11 fork•77 stars•00 issues•00 pull requests•Updated Apr 29, 2026Apr 29, 2026

• langsmith-sdk

  Public
  LangSmith Client SDK Implementations

  evaluationlanguage-modelobservability

  evaluationlanguage-modelobservability

  Python

  •

  MIT License

  •227227 forks•866866 stars•110110 issues•4141 pull requests•Updated Apr 29, 2026Apr 29, 2026

• agent-protocol

  Public
  Python

  •

  MIT License

  •4949 forks•573573 stars•1111 issues•99 pull requests•Updated Apr 29, 2026Apr 29, 2026

• context_engineering

  Public
  Jupyter Notebook

  •4242 forks•176176 stars•11 issue•22 pull requests•Updated Apr 28, 2026Apr 28, 2026

• langchainjs-community

  Public
  Community-maintained LangChainJS integrations

  TypeScript

  •

  MIT License

  •77 forks•88 stars•2525 issues•33 pull requests•Updated Apr 28, 2026Apr 28, 2026

• quickjs-rs

  Public
  Python

  •

  Other

  •00 forks•00 stars•11 issue•22 pull requests•Updated Apr 28, 2026Apr 28, 2026

• langgraph

  Public
  Build resilient language agents as graphs.

  pythonopen-sourceenterprise+ 15

  pythonopen-sourceenterpriseframeworkaigeminiopenaimultiagentagentsai-agents+ 8

  Python

  •

  MIT License

  •5.3k5.3k forks•31k31k stars•270270 issues•238238 pull requests•Updated Apr 28, 2026Apr 28, 2026

• lca-langchainV1-essentials

  Public
  Jupyter Notebook

  •8383 forks•6060 stars•11 issue•11 pull request•Updated Apr 28, 2026Apr 28, 2026

• open-swe

  Public

  langchain-ai/open-swe’s past year of commit activity
  An Open-Source Asynchronous Coding Agent

  agentaiopenai+ 5

  agentaiopenaiagentsllmllmsanthropicclaudecode

  Python

  •

  MIT License

  •1.1k1.1k forks•9.7k9.7k stars•99 issues•7575 pull requests•Updated Apr 28, 2026Apr 28, 2026

• firecracker

  Public
  Secure and fast microVMs for serverless computing.

  Rust

  •

  Apache License 2.0

  •2.4k2.4k forks•00 stars•00 issues•00 pull requests•Updated Apr 28, 2026Apr 28, 2026

• langgraph-101

  Public
  Learn about the fundamentals of LangGraph through a series of notebooks

  Jupyter Notebook

  •

  MIT License

  •8888 forks•395395 stars•00 issues•00 pull requests•Updated Apr 28, 2026Apr 28, 2026

• langsmith-agent-lifecycle-workshop

  Public

  langchain-ai/langsmith-agent-lifecycle-workshop’s past year of commit activity
  Workshop series teaching the AI Engineering Lifecycle using LangChain, LangGraph, and LangSmith

  Jupyter Notebook

  •

  Apache License 2.0

  •77 forks•3131 stars•11 issue•00 pull requests•Updated Apr 28, 2026Apr 28, 2026

• langchain-experimental

  Public
  Python

  •

  MIT License

  •6666 forks•102102 stars•2525 issues•00 pull requests•Updated Apr 28, 2026Apr 28, 2026

• langsmith-fetch

  Public
  CLI for fetching LangSmith data

  Python

  •1818 forks•119119 stars•88 issues•88 pull requests•Updated Apr 28, 2026Apr 28, 2026

• langchain-milvus

  Public
  The LangChain wrapper of Milvus vector database for efficient vector search, full-text search, hybrid retrieval and RAG.

  search-engineragvector-database+ 1

  search-engineragvector-databaselangchain

  Python

  •

  MIT License

  •4343 forks•5454 stars•1313 issues•88 pull requests•Updated Apr 28, 2026Apr 28, 2026

• memory-agent

  Public
  Python

  •

  MIT License

  •8383 forks•432432 stars•44 issues•55 pull requests•Updated Apr 28, 2026Apr 28, 2026

• langchain-together

  Public
  Python

  •

  MIT License

  •99 forks•55 stars•44 issues•22 pull requests•Updated Apr 28, 2026Apr 28, 2026

• open_deep_research

  Public
  Python

  •

  MIT License

  •1.6k1.6k forks•11k11k stars•3232 issues•2424 pull requests•Updated Apr 28, 2026Apr 28, 2026

• sql-support-bot

  Public
  Jupyter Notebook

  •

  MIT License

  •2121 forks•1111 stars•00 issues•00 pull requests•Updated Apr 28, 2026Apr 28, 2026