PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
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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.
- huggingface
- java
- langchain
- openai
An Application Framework for AI Engineering
- artificial-intelligence
- java
- spring-ai
Enterprise-grade AI agent framework with multi-provider LLM management, secure knowledge bases and high-precision RAG, visual workflow orchestration, and multi-agent coordination.
The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).
- java
- tika
- metadata
- extraction
开源 AI CRM，Salesforce 开源替代 + ChatGPT 式 AI 助手：客户管理、知识库查询、任务执行，全程对话完成。Open-source AI CRM and Salesforce alternative powered by conversational AI.
QuestionAnsweringSystem是一个Java实现的人机问答系统，能够自动分析问题并给出候选答案。
An open-source, code-first Java toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
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
AION-2-Cheat: Complete Standalone Setup for Aion 2 AI Prompt Engineering
- aion-2
- aion-2-2026
- aion-2-cheats
- aion-2-game