7597 repositories for JAVA

Design patterns implemented in Java

All Algorithms implemented in Java

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Jenkins automation server

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

Distributed SQL transaction & query engine for data sharding, scaling, encryption, and more - on any database.

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

QuestDB is an open source time-series database for fast ingest and SQL queries

Quarkus: Supersonic Subatomic Java.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

The ZAP core project

Apache ZooKeeper

Java JWT: JSON Web Token for Java and Android

The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies

The Metadata Platform for your Data Stack

Views and Drawable for displaying animated GIFs on Android

Open-Source Web UI for Apache Kafka Management

No clever tagline needed.

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.

Free and open log management