Repositories list

• langchain4j-community

  Public
  LangChain4j integrations that are maintained by the community

  Java

  •

  Apache License 2.0

  •69•116•12•12•Updated Nov 13, 2025Nov 13, 2025

• langchain4j

  Public

  langchain4j/langchain4j’s past year of commit activity
  LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes implementing RAG, tool calling (including support for MCP), and agents easy. LangChain4j integrates seamlessly with various enterprise Java frameworks.

  javaembeddingsgemini+ 17openaichromallamagptpineconeonnxhuggingface+ 10

  Java

  •

  Apache License 2.0

  •1.7k•9.6k•534•125•Updated Nov 12, 2025Nov 12, 2025

• langchain4j-cdi

  Public

  langchain4j/langchain4j-cdi’s past year of commit activity
  Java

  •

  Apache License 2.0

  •13•7•12•6•Updated Nov 12, 2025Nov 12, 2025

• langchain4j-examples

  Public
  Java

  •

  Apache License 2.0

  •478•1.3k•0•24•Updated Nov 11, 2025Nov 11, 2025

• langchain4j-spring

  Public

  langchain4j/langchain4j-spring’s past year of commit activity
  LangChain4j integration with Spring

  Java

  •

  Apache License 2.0

  •101•292•0•16•Updated Nov 10, 2025Nov 10, 2025

• langchain4j-embeddings

  Public
  Java

  •

  Apache License 2.0

  •52•105•0•11•Updated Oct 29, 2025Oct 29, 2025

• langchain4j-openrewrite-recipes

  Public

  langchain4j/langchain4j-openrewrite-recipes’s past year of commit activity
  Java

  •0•2•0•6•Updated Oct 27, 2025Oct 27, 2025

• awesome-langchain4j

  Public
  Apache License 2.0

  •30•127•0•2•Updated Aug 12, 2025Aug 12, 2025

• evals-sandbox

  Public
  Java

  •0•1•0•0•Updated Jun 16, 2025Jun 16, 2025

• pr-bot

  Public

  langchain4j/pr-bot’s past year of commit activity
  Java

  •0•0•0•5•Updated May 2, 2025May 2, 2025

• langchain4j-github-bot

  Public
  Java

  •

  Apache License 2.0

  •0•2•0•3•Updated Jan 10, 2025Jan 10, 2025

• langchain4j-test-1

  Public
  Java

  •2•0•0•0•Updated Dec 9, 2024Dec 9, 2024

• demo-langchain4j

  Public
  Java

  •3•1•0•0•Updated Nov 15, 2024Nov 15, 2024

• java-ai-playground

  Public
  Java

  •

  MIT License

  •134•5•0•0•Updated Sep 25, 2024Sep 25, 2024

• quarkus-langchain4j-uphill-workshop

  Public
  Java

  •

  Apache License 2.0

  •7•4•3•0•Updated Jun 6, 2024Jun 6, 2024

• quarkus-langchain4j-workshop

  Public
  Java

  •

  Apache License 2.0

  •0•2•0•0•Updated May 3, 2024May 3, 2024

• native-langchain4j

  Public
  a LangChain4j, OpenAI and GraalVM example

  Java

  •

  Apache License 2.0

  •5•4•0•0•Updated Mar 19, 2024Mar 19, 2024

• langchain4j-docker

  Public
  Apache License 2.0

  •0•3•1•0•Updated Jan 23, 2024Jan 23, 2024

• embeddings_playground

  Public
  HTML

  •0•3•0•0•Updated Jan 7, 2024Jan 7, 2024

• langchain-java

  Public
  Java implementation for LangChain

  javaspringspring-boot+ 5openaihuggingfacelangchainlangchain-javalangchain4j

  Apache License 2.0

  •1•6•0•0•Updated Jun 20, 2023Jun 20, 2023