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Design patterns implemented in Java

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Free and Open Source, Distributed, RESTful Search Engine

Ghidra is a software reverse engineering (SRE) framework

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

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Open Source Identity and Access Management For Modern Applications and Services

Apache Kafka - A distributed event streaming platform

The automation tower defense RTS

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

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

A high performance caching library for Java

The official home of the Presto distributed SQL query engine for big data

Quarkus: Supersonic Subatomic Java.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

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

Style and Grammar Checker for 25+ Languages

🔎 Open source distributed and RESTful search engine.

No clever tagline needed.

Open-Source Web UI for Apache Kafka Management

The Metadata Platform for your Data and AI Stack

A configuration as code language with rich validation and tooling.

CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc.

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.

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.

Apache Beam is a unified programming model for Batch and Streaming data processing.

React Native Local and Remote Notifications

A rewrite of Tachiyomi for the Desktop