#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

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.

Getting Started with Spring Boot 3:

Browse media content with your own rules on Android TV

a fast, scalable, multi-language and extensible build system

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

Modern Java - A Guide to Java 8

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

A scalable web crawler framework for Java.

A Java API for generating .java source files.

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

A fast dependency injector for Android and Java.

configuration library for JVM languages using HOCON files

Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.

Java 1-25 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

Apache Kafka® running on Kubernetes

This is the new home of the original DDD Sample app (previously hosted at sf.net)..

Speech and Vision Based Intelligent Personal Assistant

Google Go language IDE built using the IntelliJ Platform

Algorithms and Data Structures implemented in Java

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

Fault tolerance and resilience patterns for the JVM

High performance non-blocking webserver

Generates a unified GraphQL schema from gRPC microservices and other Protobuf sources

Framework for Evolutionary Message-Driven Microservices on the JVM

Bastillion gives you a clean, browser-based way to manage SSH access across all your systems—like a bastion host with a friendly dashboard.

Backport of Java 8's lambda expressions to Java 7, 6 and 5