Repositories list

• langsmith-java

  Public

  langchain-ai/langsmith-java’s past year of commit activity
  LangSmith Java SDK.

  Kotlin

  •

  MIT License

  •22 forks•1818 stars•11 issue•22 pull requests•Updated Apr 27, 2026Apr 27, 2026

• langsmith-go

  Public

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

  •

  MIT License

  •66 forks•2020 stars•00 issues•66 pull requests•Updated Apr 27, 2026Apr 27, 2026

• langchainjs

  Public
  The agent engineering platform

  TypeScript

  •

  MIT License

  •3.1k3.1k forks•18k18k stars•176176 issues•177177 pull requests•Updated Apr 27, 2026Apr 27, 2026

• langchain-redis

  Public
  Python

  •

  MIT License

  •3434 forks•6060 stars•11 issue•33 pull requests•Updated Apr 27, 2026Apr 27, 2026

• langchain-azure

  Public

  langchain-ai/langchain-azure’s past year of commit activity
  Build secure LangChain applications on Azure

  Jupyter Notebook

  •

  MIT License

  •6262 forks•125125 stars•1010 issues•1212 pull requests•Updated Apr 27, 2026Apr 27, 2026

• 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•208208 issues•207207 pull requests•Updated Apr 27, 2026Apr 27, 2026

• deepagents

  Public

  langchain-ai/deepagents’s past year of commit activity
  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•162162 issues•7777 pull requests•Updated Apr 27, 2026Apr 27, 2026

• langsmith-sdk

  Public
  LangSmith Client SDK Implementations

  evaluationlanguage-modelobservability

  evaluationlanguage-modelobservability

  Python

  •

  MIT License

  •226226 forks•863863 stars•110110 issues•4242 pull requests•Updated Apr 26, 2026Apr 26, 2026

• langchain

  Public
  The agent engineering platform

  pythonopen-sourceenterprise+ 16

  pythonopen-sourceenterpriseframeworkaigeminiopenaimultiagentagentsai-agents+ 9

  Python

  •

  MIT License

  •22k22k forks•135k135k stars•393393 issues•158158 pull requests•Updated Apr 26, 2026Apr 26, 2026

• langsmith-agent-lifecycle-workshop

  Public
  Workshop series teaching the AI Engineering Lifecycle using LangChain, LangGraph, and LangSmith

  Jupyter Notebook

  •

  Apache License 2.0

  •77 forks•3131 stars•11 issue•11 pull request•Updated Apr 26, 2026Apr 26, 2026

• lca-lc-foundations

  Public

  langchain-ai/lca-lc-foundations’s past year of commit activity
  TypeScript

  •289289 forks•419419 stars•00 issues•88 pull requests•Updated Apr 26, 2026Apr 26, 2026

• deep-agents-ui

  Public

  langchain-ai/deep-agents-ui’s past year of commit activity
  Custom UI for Deep Agents

  TypeScript

  •

  MIT License

  •321321 forks•1.6k1.6k stars•2525 issues•1717 pull requests•Updated Apr 26, 2026Apr 26, 2026

• langsmith-cli

  Public
  A coding agent-first CLI for interacting with LangSmith.

  Go

  •

  MIT License

  •99 forks•5252 stars•00 issues•66 pull requests•Updated Apr 26, 2026Apr 26, 2026

• langgraph

  Public
  Build resilient language agents as graphs.

  pythonopen-sourceenterprise+ 15

  pythonopen-sourceenterpriseframeworkaigeminiopenaimultiagentagentsai-agents+ 8

  Python

  •

  MIT License

  •5.2k5.2k forks•30k30k stars•267267 issues•241241 pull requests•Updated Apr 26, 2026Apr 26, 2026

• open-swe

  Public
  An Open-Source Asynchronous Coding Agent

  agentaiopenai+ 5

  agentaiopenaiagentsllmllmsanthropicclaudecode

  Python

  •

  MIT License

  •1.1k1.1k forks•9.7k9.7k stars•99 issues•7474 pull requests•Updated Apr 25, 2026Apr 25, 2026

• langgraphjs

  Public
  Framework to build resilient language agents as graphs.

  nodetypescriptai+ 4

  nodetypescriptaiartificial-intelligenceagentsllmgenerative-ai

  TypeScript

  •

  MIT License

  •471471 forks•2.8k2.8k stars•9191 issues•5252 pull requests•Updated Apr 25, 2026Apr 25, 2026

• langchain-nextjs-template

  Public template
  LangChain + Next.js starter template

  TypeScript

  •

  MIT License

  •551551 forks•2.5k2.5k stars•2121 issues•66 pull requests•Updated Apr 25, 2026Apr 25, 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

  •184184 forks•1.2k1.2k stars•2525 issues•2929 pull requests•Updated Apr 24, 2026Apr 24, 2026

• langchain-google

  Public
  🦜🔗 LangChain interfaces to Google's suite of AI products (Gemini & Vertex AI)

  aigeminigemini-api+ 4

  aigeminigemini-apivertex-aillmlangchainlangchain-python

  Python

  •

  MIT License

  •425425 forks•367367 stars•8585 issues•5858 pull requests•Updated Apr 24, 2026Apr 24, 2026

• langchain-aws

  Public
  Build LangChain Applications on AWS

  awsgenerative-ailangchain+ 1

  awsgenerative-ailangchainlangchain-python

  Python

  •

  MIT License

  •280280 forks•318318 stars•6969 issues•2727 pull requests•Updated Apr 24, 2026Apr 24, 2026

• langchain-ibm

  Public
  Python

  •

  MIT License

  •3131 forks•3131 stars•99 issues•55 pull requests•Updated Apr 24, 2026Apr 24, 2026

• helm

  Public
  Repository hosting Langchain helm charts.

  Shell

  •

  Apache License 2.0

  •3939 forks•8686 stars•33 issues•1414 pull requests•Updated Apr 24, 2026Apr 24, 2026

• voice-agents-tracing

  Public
  Python

  •33 forks•22 stars•00 issues•11 pull request•Updated Apr 24, 2026Apr 24, 2026

• langchain-nvidia

  Public
  Jupyter Notebook

  •

  MIT License

  •8585 forks•199199 stars•1414 issues•33 pull requests•Updated Apr 24, 2026Apr 24, 2026

• chat-langchain

  Public
  Python

  •

  MIT License

  •1.5k1.5k forks•6.3k6.3k stars•11 issue•2121 pull requests•Updated Apr 23, 2026Apr 23, 2026

• deep-agents-from-scratch

  Public
  Jupyter Notebook

  •

  MIT License

  •291291 forks•662662 stars•44 issues•22 pull requests•Updated Apr 23, 2026Apr 23, 2026

• langchainjs-community

  Public
  Community-maintained LangChainJS integrations

  TypeScript

  •

  MIT License

  •77 forks•88 stars•2525 issues•66 pull requests•Updated Apr 23, 2026Apr 23, 2026

• agents-from-scratch-ts

  Public
  LangGraph Typescript Agents Notebooks: email, human in the loop, memory

  agentshuman-in-the-loophitl+ 5

  agentshuman-in-the-loophitllangchainlanggraphagentic-ailanggraph-jsagent-memory

  Jupyter Notebook

  •66 forks•3333 stars•00 issues•11 pull request•Updated Apr 23, 2026Apr 23, 2026

• langchain-community

  Public
  Community-maintained LangChain integrations

  Python

  •

  MIT License

  •433433 forks•266266 stars•163163 issues•110110 pull requests•Updated Apr 22, 2026Apr 22, 2026

• langchain-mcp-adapters

  Public
  LangChain 🔌 MCP

  pythontoolsmcp+ 2

  pythontoolsmcplangchainlanggraph

  Python

  •

  MIT License

  •420420 forks•3.5k3.5k stars•4545 issues•3434 pull requests•Updated Apr 22, 2026Apr 22, 2026