2707 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

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.

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

An open source time-series database for fast ingest and SQL queries

Quarkus: Supersonic Subatomic Java.

Apache ZooKeeper

The ZAP core project

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Views and Drawable for displaying animated GIFs on Android

Feign makes writing java http clients easier

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

🔎 Open source distributed and RESTful search engine.

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.

Test Automation Made Simple

Open-Source Web UI for Apache Kafka Management

Free and open log management