Data / Repositories / Java
Java repositories on GitHub: 40 ranked by stars
40 public repositories tagged Java are on GitHub, with 324,120 stars between them; 20 had a push in the last 30 days. Most are written in Java (24), Rust (2), Jupyter Notebook (1). The most starred: GitHubDaily/GitHubDaily (48,183), SeleniumHQ/selenium (34,521), conductor-oss/conductor (32,298).
SpecStream is the live web data engine for teams and agents. It reads open-source repositories on GitHub and keeps what it reads, and this page groups that reading by topic. Ask for the repositories you track by topic, language, license or activity, and new ones and changes arrive in your sheet, CRM, Slack or agent.
Every repository, most starred first
| Repository | What it is | Language | Stars | Forks | License | Last push | Read |
|---|---|---|---|---|---|---|---|
| GitHubDaily/GitHubDaily | 坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub. | 48,183 | 4,709 | Dec 31, 2025 | Oct 14 | ||
| SeleniumHQ/selenium | A browser automation framework and ecosystem. | Java | 34,521 | 8,716 | Apache-2.0 | Oct 11 | Oct 11 |
| conductor-oss/conductor | Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents | Java | 32,298 | 1,033 | Apache-2.0 | Oct 14 | Oct 14 |
| kestra-io/kestra | Event Driven Orchestration & Scheduling Platform for Mission Critical Applications | Java | 29,583 | 3,381 | Apache-2.0 | Oct 14 | Oct 14 |
| apache/rocketmq | Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications. | Java | 22,637 | 12,038 | Apache-2.0 | Oct 14 | Oct 14 |
| microsoft/mcp-for-beginners | This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and… | Jupyter Notebook | 17,445 | 5,648 | MIT | Oct 13 | Oct 14 |
| arthurspk/guiadevbrasil | Um guia extenso de informações com um vasto conteúdo de várias áreas para ajudar, agregar conhecimento e retirar dúvidas, nesse guia você encontrará tudo que necessário para… | 15,801 | 1,788 | MIT | Sep 2 | Oct 14 | |
| plantuml/plantuml | Generate diagrams from textual description | Java | 13,364 | 1,236 | LGPL-3.0 | Oct 13 | Oct 14 |
| code4craft/webmagic | A scalable web crawler framework for Java. | Java | 11,676 | 4,100 | Apache-2.0 | Dec 20, 2025 | Sep 21 |
| kanaka/mal | mal - Make a Lisp | Assembly | 10,743 | 2,712 | Oct 22, 2025 | Oct 11 | |
| awsdocs/aws-doc-sdk-examples | Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the… | Java | 10,466 | 5,839 | Apache-2.0 | Oct 9 | Oct 11 |
| spring-projects/spring-ai | An Application Framework for AI Engineering | Java | 9,541 | 2,967 | Apache-2.0 | Oct 14 | Oct 14 |
| xberg-io/xberg | Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence… | Rust | 9,413 | 593 | MIT | Oct 14 | Oct 14 |
| apache/camel | Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0. | Java | 6,370 | 5,170 | Apache-2.0 | Oct 14 | Oct 14 |
| 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… | Java | 5,608 | 321 | Apache-2.0 | Oct 14 | Oct 14 |
| bytedeco/javacpp | The missing bridge between Java and native C++ | Java | 4,705 | 598 | Aug 10 | Oct 11 | |
| appcypher/awesome-wasm-langs | A curated list of languages that compile directly to or have their VMs in WebAssembly | 4,448 | 216 | May 22 | Oct 11 | ||
| puremourning/vimspector | vimspector - A multi-language debugging system for Vim | Vim Script | 4,325 | 178 | Apache-2.0 | Oct 9 | Oct 11 |
| modelcontextprotocol/java-sdk | The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI | Java | 3,734 | 1,163 | MIT | Oct 13 | Oct 14 |
| aeron-io/simple-binary-encoding | Simple Binary Encoding (SBE) - High Performance Message Codec | Java | 3,515 | 600 | Apache-2.0 | Sep 29 | Oct 11 |
| spring-ai-alibaba/examples | Examples demonstrating usage of Spring AI & Spring AI Alibaba | Java | 2,911 | 1,218 | Apache-2.0 | Jul 1 | Oct 14 |
| zinja-coder/jadx-ai-mcp | Plugin for JADX to integrate MCP server | Java | 2,895 | 268 | Apache-2.0 | Sep 23 | Oct 14 |
| mcxiaoke/awesome-kotlin | A curated list of awesome Kotlin frameworks, libraries, documents and other resources | 2,881 | 336 | Sep 30 | Oct 11 | ||
| teaql/teaql-agent-kit | A model-driven harness for AI coding agents: semantic modeling, app generation, progressive API Assist and evidence-based verification. | Python | 2,816 | 956 | MIT | Sep 27 | Oct 14 |
| oxsecurity/megalinter | MegaLinter analyzes 50 languages, 22 formats, 21 tooling formats, excessive copy-pastes, spelling mistakes and security issues in your repository sources with a GitHub Action… | Dockerfile | 2,611 | 313 | AGPL-3.0 | Oct 11 | Oct 11 |
| uber/piranha | A tool for refactoring code related to feature flag APIs | Rust | 2,492 | 211 | Apache-2.0 | Apr 2 | Oct 11 |
| Luohuayu/CatServer | 高性能和高兼容性的1.12.2/1.16.5/1.18.2版本Forge+Bukkit+Spigot服务端 (A high performance and high compatibility 1.12.2/1.16.5/1.18.2 version Forge+Bukkit+Spigot server) | Java | 2,058 | 210 | LGPL-3.0 | Feb 25 | Oct 14 |
| cossacklabs/themis | Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms. | C | 1,978 | 159 | Apache-2.0 | Apr 24 | Oct 11 |
| joey-zhou/xiaozhi-esp32-server-java | 小智ESP32的Java企业级管理平台，提供设备监控、音色定制、角色切换和对话记录管理的前后端及服务端一体化解决方案 | Java | 1,369 | 503 | MIT | Sep 27 | Oct 14 |
| GeyserMC/MCProtocolLib | A library for communication with a Minecraft client/server. | Java | 909 | 221 | MIT | Oct 14 | Oct 14 |
| zijing2333/CSView | CSView是一个互联网面试知识学习和汇总项目，包括面试高频算法、系统设计、计算机网络、操作系统、C++、Java、golang、MySQL、Redis、K8s、消息队列等常见面试题。 | TypeScript | 765 | 57 | Mar 6, 2024 | Sep 21 | |
| osiegmar/FastCSV | Fast, lightweight, and RFC 4180 compliant CSV library for Java. Zero dependencies, ~90 KiB. Trusted by Apache NiFi, JUnit, and Neo4j. | Java | 692 | 104 | MIT | Sep 11 | Sep 21 |
| SaseQ/discord-mcp | A MCP server for the Discord integration. Enable your AI assistants to seamlessly interact with Discord. Enhance your Discord experience with powerful automation capabilities. | Java | 542 | 105 | MIT | Apr 25 | Oct 14 |
| sderosiaux/every-single-day-i-tldr | A daily digest of the articles or videos I've found interesting, that I want to share with you. | 328 | 19 | Sep 2 | Oct 14 | ||
| vitormarcal/chatvault | WhatsApp convo backups.. Features directory import, auto email backup, and a user-friendly frontend. View messages effortlessly. | Kotlin | 236 | 6 | MIT | May 19 | Oct 14 |
| yuyuanweb/mcp-mianshiya-server | 基于 Spring AI 的面试鸭搜索题目的 MCP Server 服务，快速让 AI 搜索企业面试真题和答案 | Java | 141 | 35 | MIT | Jul 15, 2025 | Oct 14 |
| clidey/deptrust | deptrust is a CLI that checks package versions for known vulnerabilities across npm, PyPI, crates.io, Go modules, RubyGems, NuGet, Maven, Packagist, pub.dev, CocoaPods, Hex.pm… | Go | 61 | 3 | MIT | Oct 11 | Oct 14 |
| itxaiohanglover/mcp-codestyle-server | MCP Codestyle Server 是一个基于 Spring AI 实现的 Model Context Protocol (MCP) 服务器，为 IDE 和 AI 代理提供代码模板搜索和检索工具。该服务从本地缓存查找模板，并在缺失时自动从远程仓库下载元数据和文件进行修复。 | Java | 56 | 8 | MIT | Mar 10 | Oct 14 |
| miliariadnane/javaConf-mcp-server | MCP Server providing Java Conference data (CFP, dates, and more) using Spring Boot/AI by parsing GitHub Markdown. | Java | 3 | 1 | Nov 9, 2025 | Oct 14 | |
| DivyenduDutta/Github-Assistant-MCP-Server | An MCP Server written using Java and Spring AI which exposes tools to allow common AI agents to perform various Github related tasks. | Java | 0 | 0 | MIT | Apr 7 | Oct 14 |
By language
- Java 24
Related topics
- JavaScript 13
- Python 11
- MCP 11
- MCP server 8
- AI 7
- Go 7
- Ruby 6
- Rust 6
- Spring AI 6
- Model Context Protocol 5
- Php 5
- Cpp 5
Read from GitHub by SpecStream between September 21, 2026 and October 14, 2026; each row shows the day its repository was read. Stars and pushes change every day, and the GitHub page is the current one. Forks and archived repositories are left out.