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

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

A browser automation framework and ecosystem.

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

Apache Kafka - A distributed event streaming platform

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

Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

A Java serialization/deserialization library to convert Java Objects into JSON and back

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.

MyBatis SQL mapper framework for Java

RxJava bindings for Android

A fast dependency injector for Android and Java.

Quarkus: Supersonic Subatomic Java.

Apache Hadoop

Most popular Mocking framework for unit tests written in Java

Apache Pulsar - distributed pub-sub messaging system

The ZAP by Checkmarx Core project

Git Server with CI/CD, Kanban, and Packages. Seamless integration. Unparalleled experience.

🏗 Build container images for your Java applications.

✔️ Simple, pretty and powerful logger for android

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

🎆 A well-designed local image and video selector for Android

The Java gRPC implementation. HTTP/2 based RPC