LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
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This project is a plugin that supports ChatGPT running on JetBrains series IDE.
- chatgpt
- chatgpt-jetbrains
Convert Java to JSON/TOON and back. Supports complex object graphs, cyclic references, and TOON format for 40-50% LLM token savings. JDK 8+
Kommunicate Android AI Agent SDK
- chat
- live
- chatbot
- support