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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.
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
- java
- elasticsearch
- full-text-search
- lucene
This project is a plugin that supports ChatGPT running on JetBrains series IDE.
- chatgpt
- chatgpt-jetbrains
Slack Developer Kit (including Bolt for Java) for any JVM language
Convert Java to JSON/TOON and back. Supports complex object graphs, cyclic references, and TOON format for 40-50% LLM token savings. JDK 8+
A Java library to use the OpenAI Api in the simplest possible way.
- httpclient
- java
- openai
- simple
Qiscus provide everything you need to power up your app with chats. And it's now made simple.
- chat
- android-library
- android-sdk
- chatting
我的rag系统，可以用于导入知识库进行知识问答，可集成第三方mcp，也做了权限隔离等
Kommunicate Android AI Agent SDK
- chat
- live
- chatbot
- support
Integrate with the latest language models, image generation, speech, and deep learning frameworks like ChatGPT, DALL·E, and Cohere using few java lines.
- openai
- gpt3
- dalle2
- image-generation
LLM and agent evaluation for Java & Kotlin. Runs in JUnit and CI. Spring AI, LangChain4j, Koog, Embabel, and any LLM client.
- agent-evaluation
- evaluation-framework
- evaluation-metrics
- java
Anahata ASI - Artificial Super Intelligence - Cross-Platform, Modular, Enterprise Ready, Open Source, Pure Java, AGI and ASI Containers. Context Window Garbage Collector, Stateful Toolkits, Flight Recorder. Autonomous Observable Auditable JVM Agent with JIT java code execution. Anahata ASI SDK, Anahata ASI Desktop, Anahata ASI Studio - NetBeans.