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105 stars written in Java
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Free and Open Source, Distributed, RESTful Search Engine

Java 76,398 25,830 Updated Mar 27, 2026

Ghidra is a software reverse engineering (SRE) framework

Java 66,198 7,294 Updated Mar 25, 2026

Netty project - an event-driven asynchronous network application framework

Java 34,898 16,268 Updated Mar 27, 2026

Desktop/Android/HTML5/iOS Java game development framework

Java 24,951 6,534 Updated Mar 25, 2026

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

Java 21,532 1,784 Updated Mar 27, 2026

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Java 21,075 3,013 Updated Nov 4, 2025

IntelliJ IDEA & IntelliJ Platform

Java 19,876 5,706 Updated Mar 27, 2026

Modern Java - A Guide to Java 8

Java 16,768 4,010 Updated Aug 11, 2023

Vert.x is a tool-kit for building reactive applications on the JVM

Java 14,658 2,098 Updated Mar 26, 2026

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

Java 11,360 2,284 Updated Mar 24, 2026

Java Native Access

Java 8,909 1,682 Updated Jan 1, 2026

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Java 8,615 1,813 Updated Mar 25, 2026

LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan, bgfx), audio (OpenAL, Opus), parallel computing (OpenCL, CUD…

Java 5,305 690 Updated Mar 13, 2026

A gradle plugin for getting java lambda support in java 6, 7 and android

Java 5,283 442 Updated Jul 24, 2023

Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.

Java 3,275 460 Updated Dec 28, 2025

VisualVM is an All-in-One Java Troubleshooting Tool

Java 3,215 330 Updated Feb 18, 2026

Compiles Java bytecode to JavaScript, WebAssembly and C

Java 3,018 308 Updated Mar 25, 2026

jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Ot…

Java 2,838 376 Updated Jan 6, 2025

Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files

Java 2,771 500 Updated Mar 26, 2026

Java library for creating text-based GUIs

Java 2,551 271 Updated Mar 15, 2026

TCP/UDP client/server library for Java, based on Kryo

Java 1,850 413 Updated Feb 22, 2021

MessagePack serializer implementation for Java / msgpack.org[Java]

Java 1,465 324 Updated Mar 16, 2026

Artificial Intelligence framework for games based on libGDX or not. Features: Steering Behaviors, Formation Motion, Pathfinding, Behavior Trees and Finite State Machines

Java 1,289 253 Updated Oct 1, 2024

Simple Java image-scaling library implementing Chris Campbell's incremental scaling algorithm as well as Java2D's "best-practices" image-scaling techniques.

Java 1,245 236 Updated Oct 21, 2023

Jansi is a small java library that allows you to use ANSI escape sequences to format your console output which works even on windows.

Java 1,194 153 Updated May 7, 2025

Terminal-based progress bar for Java / JVM

Java 1,168 110 Updated Mar 1, 2026

Ahead of time compiler for JVM bytecode targetting iOS, Mac OSX and Linux

Java 1,025 135 Updated Mar 10, 2026

Support alternative markup for Apache Maven POM files

Java 921 103 Updated Nov 20, 2025

A continuation of the popular Artemis ECS framework

Java 830 117 Updated Apr 14, 2023

Overlap2D Game development toolkit for UI and Level design

Java 789 219 Updated Nov 4, 2021
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