modelcontextprotocol / java-sdk

The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

OtterMind / Chat2DB

Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.

plantuml / plantuml

Generate diagrams from textual description

alibaba / spring-ai-alibaba

Agentic AI Framework for Java Developers

jeecgboot / jimureport

一款真正的 AI 报表诞生了！JimuChatBI —— 首款免费开源对话式智能数据分析产品（Chat2BI）。 一句话生成报表和数据大屏，支持对话式 AI 修改优化；类 Excel 在线报表设计，兼容国产信创数据源。 对着 AI 说句话，报表就出来了——表格、图表、分组汇总自动生成，复杂报表场景轻松应对。想做数据大屏？同样一句话搞定，让数据分析进入 AI 时代。

gsantner / markor

Text editor - Notes & ToDo (for Android) - Markdown, todo.txt, plaintext, math, ..

apache / fesod

Fast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.

bethington / ghidra-mcp

Ghidra MCP Server — 200+ MCP tools for AI-powered reverse engineering. GUI plugin + headless server, lazy tool loading, convention enforcement, batch operations, Ghidra Server integration, and Docker deployment.

grobidOrg / grobid

A machine learning software for extracting information from scholarly documents

orientechnologies / orientdb

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.

JabRef / jabref

Desktop app for managing BibTeX and BibLaTeX (.bib) libraries

freeplane / freeplane

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

LibrePDF / OpenPDF

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

apache / tika

The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

apache / linkis

Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.

Snailclimb / interview-guide

基于 Spring Boot 4.1、Java 25、Spring AI 2.0、React、PostgreSQL/pgvector、Redis 和 RustFS 构建的开源 AI 面试平台，支持简历智能分析、模拟面试、语音面试和知识库 RAG。

zinja-coder / jadx-ai-mcp

Plugin for JADX to integrate MCP server

opensolon / solon

🔥 Java enterprise application development framework for full scenario: Restrained, Efficient, Open, Ecologicalll!!! 700% higher concurrency 50% memory savings Startup is 10 times faster. Packing 90% smaller; Compatible with java8 ~ java26; Supports LTS. (Replaceable spring)

plutext / docx4j

JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files

itext / itext-java

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

MarginaliaSearch / MarginaliaSearch

Internet search engine for text-oriented websites. Indexing the small, old and weird web.

continew-org / continew-admin

🔥Almost最佳后端规范🔥页面现代美观，且专注设计与代码细节的高质量多租户中后台管理系统框架。开箱即用，持续迭代优化，持续提供舒适的开发体验。当前采用技术栈：SpringBoot v3.4.x (Java17)、Vue3 & ArcoDesign、TS、Vite5 、SaToken、MyBatisPlus、Redisson、FastExcel、CosId、JetCache、JustAuth、Crane4j、SpringDoc、Hutool 等。

bit4woo / knife

A burp extension that add some useful function to Context Menu 添加一些右键菜单让burp用起来更顺畅

JonathanLink / PDFLayoutTextStripper

Converts a pdf file into a text file while keeping the layout of the original pdf. Useful to extract the content from a table in a pdf file for instance. This is a subclass of PDFTextStripper class (from the Apache PDFBox library).

apache / opennlp

Apache OpenNLP

java-diff-utils / java-diff-utils

Diff Utils library is an OpenSource library for performing the comparison / diff operations between texts or some kind of data: computing diffs, applying patches, generating unified diffs or parsing them, generating diff output for easy future displaying (like side-by-side view) and so on.

MCRcortex / voxy

An LoD rendering mod for minecraft

pnoker / iot-dc3

IoT DC3 — Connect the Physical World to AI. An open-source Industrial IoT Runtime for Physical AI: 36 protocol drivers, edge-to-cloud data delivery, and an MCP tool gateway so AI agents act on devices in a safe, controllable, traceable loop.

bobbylight / RSyntaxTextArea

A syntax highlighting, code folding text editor for Java Swing applications.

codelibs / fess

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.

spring-projects / spring-hateoas

Spring HATEOAS - Library to support implementing representations for hyper-text driven REST web services.

googlesamples / android-testdpc

Test DPC is a sample device policy controller for use with Android Enterprise. It gives developers the ability to see how their app will behave in a managed context such as device owner or within a managed profile. Users can set up a work profile, enable work apps, set applications restrictions, manage security polices, and much more. The app also serves as a implementation reference for other DPCs

getActivity / ShapeView

Shape 支持在布局中直接定义啦，支持设置阴影，文字渐变色，状态选择器

MCRcortex / nvidium

Fast minecraft rendering backend for sodium (nvidia only)

agents-flex / agents-flex

Agents-flex is A lightweight Java AI agent development framework (positioned as a counterpart to Spring AI). It supports features such as RAG, MCP, Skills, Text2SQL , LLM Wiki, Sub-agents, Web Search, TTS (synchronous and streaming), and STT.

bupticybee / TexasHoldemSolverJava

A Java implemented Texas holdem and short deck Solver

dhatim / fastexcel

Generate and read big Excel files quickly

carrot2 / carrot2

Carrot2: Text Clustering Algorithms and Applications

eclipse-xtext / xtext

Eclipse Xtext™ is a language development framework

ls1intum / Artemis

Artemis - Interactive Learning with Automated Feedback

ICIJ / datashare

A self‑hosted search engine for documents

oraxen / oraxen

Oraxen is a minecraft plugin that allows to easily use Minecraft 1.14 features in order to create new items with custom textures. It handles the resourcepack generation, upload (using Polymath) and has an extensible API.

spring-ai-community / spring-ai-agent-utils

A Spring AI library that brings Claude Code-inspired tools and agent skills to your AI applications.

imgly / pesdk-android-demo

PhotoEditor SDK: A fully customizable photo editor for your app.

Jarrettluo / all-docs

"All Docs" is a tool that enables online previewing, storage, and sharing of documents such as Word, Excel, PowerPoint, PDF, and images (Pic). It supports full-text search for all document information. “全文档”(All Docs)，Word, Excel, PPT, PDF, Pic等文档在线预览、存储、共享的工具，并且支持全文搜索的所有的文档信息。demo账号密码：admin123

JakeWharton / flip-tables

Because pretty-printing text tables in Java should be easy.

ferstl / depgraph-maven-plugin

A Maven plugin that generates dependency graphs in various formats (DOT, GML, PlantUML, JSON and Text)

Hakky54 / ayza

🔐 An SSL library for configuring http client or server. Rich with features such as hot reloading ssl and trusting additional certificates during runtime, combining multiple keystores, loading pem files and os/jdk certificates, logging certificate information during ssl handshake, bypassing ssl configuration from other libraries and more

OWASP / owasp-java-encoder

Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP and Jakarta adapters.

struppigel / PortEx

Java library to analyse Portable Executable files with a special focus on malware analysis and PE malformation robustness

hibernate / hibernate-search

Hibernate Search: full-text search for domain model

ExtractPDF4J / ExtractPDF4J

Java PDF table extraction & OCR library. Extract structured tables from text-based and scanned PDFs using stream, lattice (OpenCV-style grid detection), and hybrid parsing.

agentic-ai-java / argi

ARGI [/ˈɑːr.dʒiː/]: Agent Runtime and Graph Intelligence 🚀

yimindev / dati

Turn your database into secure, semantically rich MCP tools for agents.

lzynb0206 / WeChat-iLink-Multimodal-Bot

基于 Spring Boot、微信 iLink SDK 与阿里云百炼的多模态微信机器人，支持文本、图片、语音、Function Calling、Skill 编排和本地 RAG。

DeepSQLAI / deepsql

The database agent for Postgres and MySQL - Point it at PostgreSQL or MySQL and ask questions in plain English — schema exploration, query generation, slow query analysis, index recommendations, generated dashboards. Self-hosted and air-gapped.

2005selene2005-a11y / susu-phone-agent

Android device bridge for Claude Code via MCP + Shizuku. No root, no model polling.

Leon-kennedy-god / cat-apk

喵喵助手 MeowMeowAssistant：QQMiaoAssistant 的功能扩张通用版。基于 Android 无障碍服务，将 QQ 专属文本改写（自定义替换规则/断句追加/随机颜文字）扩张为任意聊天软件（QQ/微信/Telegram/WhatsApp/钉钉/Discord/飞书/Slack 等）输入框内生效。含目标应用白名单/黑名单、输入法与密码框保护、发送兜底；纯原生 API 零依赖；AGPL-3.0；上游 QiCaiJie114514/QQMiaoAssistant 二次开发衍生。下载：https://github.com/Leon-kennedy-god/cat-apk/releases/latest