Design patterns implemented in Java

Free and Open, Distributed, RESTful Search Engine

All Algorithms implemented in Java

Netty project - an event-driven asynchronous network application framework

A browser automation framework and ecosystem.

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

A collection of algorithms and data structures

Most popular Mocking framework for unit tests written in Java

Quarkus: Supersonic Subatomic Java.

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

Cracking the Coding Interview 6th Ed. Solutions

Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.

A damn simple library for building production-ready RESTful web services.

Test Automation Made Simple

Apache Tomcat

Micronaut Application Framework

Java 1-21 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

Java version of LangChain

Awaitility is a small Java DSL for synchronizing asynchronous operations

High performance non-blocking webserver

Java libraries for writing microservices

Micro second messaging that stores everything to disk

A collection of powerful data structures

Java rate limiting library based on token-bucket algorithm.

https://openjdk.org/projects/loom

TornadoVM: A practical and efficient heterogeneous programming framework for managed languages

Useful Resources for Low Level System Design

Uber Clone Android App 👨‍💻 I'll show you how you can do this in the simplest way and terms possible. By the end of this series you'll have learned how the big companies do it and will be able to do…

A community-developed, free, opensource, automated testing framework for microservices APIs, Kafka(Data Streams) and Load testing. Zerocode Open Source enables you to create, change and maintain yo…

Java Coding Problems, published by Packt