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

Netty project - an event-driven asynchronous network application framework

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…

An Android library for managing images and the memory they use.

Powerful and flexible library for loading, caching and displaying images on Android.

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

Feign makes writing java http clients easier

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

DEPRECATED

📈 Capturing JVM- and application-level metrics. So you know what's going on.

Bootstrap style widgets for Android, with Glyph Icons

A transparent ui-block detection library for Android. (known as BlockCanary)

Apache Storm

BTrace - a safe, dynamic tracing tool for the Java platform

Java runtime metadata analysis

An Android staggered grid view which supports multiple columns with rows of varying sizes.

Android library project for cropping images

Google Guice on Android, version 3.0 [RETIRED]

Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter

Actor Messaging platform

JavaMelody : monitoring of JavaEE applications

Library for configuration management API

MySQL Binary Log connector

Stream summarizer and cardinality estimator.

Android unofficial REST Client of 9GAG.

jHiccup is a non-intrusive instrumentation tool that logs and records platform "hiccups" - including the JVM stalls that often happen when Java applications are executed and/or any OS or hardware p…

Open Replicator is a high performance MySQL binlog parser written in Java. It unfolds the possibilities that you can parse, filter and broadcast the binlog events in a real time manner.

The experimentation and testing tool for Apache Mesos - NO LONGER MAINTANED!

A Java WebSocket/HTTP server based on the Atmosphere and Netty Framework

A Doclet that allows the use of Markdown in JavaDoc comments.