Top JAVA GitHub Repositories & Tools (2026)

Google core libraries for Java

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

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

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

A declarative, efficient, and flexible JavaScript library for building user interfaces.

A browser automation framework and ecosystem.

A Reddit client for Android

Keep your code spotless

A bridge/proxy allowing you to connect to Minecraft: Java Edition servers with Minecraft: Bedrock Edition.

Build system optimized for JavaScript and TypeScript, written in Rust

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

🍬A set of tools that keep Java sweet.

A simple HTML5, YouTube and Vimeo player

A memory leak detection library for Android.

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Pulumi - Infrastructure as Code in any programming language 🚀