Free and Open Source, Distributed, RESTful Search Engine

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

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

Jenkins automation server

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

A fast dependency injector for Android and Java.

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

Apache Hive

Example code for the book Microservice patterns

Apache CloudStack is an opensource Infrastructure as a Service (IaaS) cloud computing platform

The official MongoDB drivers for Java, Kotlin, and Scala

A DLNA, UPnP and HTTP(S) Media Server.

Firebase Android SDK

Sonatype Nexus Repository Open-source codebase mirror

An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu

Distributed object store

The Heroic Time Series Database

Wallet CLI

Venice, Derived Data Platform for Planet-Scale Workloads.

ORCID Open Source Project

Samples for Spring Cloud Contract project

Open Control Plane for Tables in Data Lakehouse

Mobile cryptocurrency wallets for Android

Jenkins Update Center backend

Acceptance tests cases for Jenkins and its plugins based on selenium and docker.