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

All Algorithms implemented in Java

Spring Framework

Google core libraries for Java

Free universal database tool and SQL client

Netty project - an event-driven asynchronous network application framework

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Apache Kafka - A distributed event streaming platform

Jenkins automation server

APM, Application Performance Monitoring System

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue,…

JDK main-line development https://openjdk.org/projects/jdk

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

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

A collection of algorithms and data structures

A high performance caching library for Java

Zipkin is a distributed tracing system

QuestDB is a high performance, open-source, time-series database

Graphs for Everyone

Quarkus: Supersonic Subatomic Java.

Most popular Mocking framework for unit tests written in Java

Logstash - transport and process your logs, events, or other data

Very spicy additions to the Java programming language.

🔎 Open source distributed and RESTful search engine.

Apache ZooKeeper

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

Redis Java client