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Open Collective

An open API service for software projects hosted on Open Collective.

LangChain4j

Build LLM-powered applications in Java, Quarkus and Spring Boot. Chatbots, agents, RAG and much more!
Collective - Host: opensource - https://opencollective.com/langchain4j - Website: https://docs.langchain4j.dev/ - Code: https://github.com/langchain4j/langchain4j

github.com/langchain4j/langchain4j

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.

Stars: 9,037 - Last synced: 22 Jul 2026