Free and Open Source, Distributed, RESTful Search Engine

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 powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

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…

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

Zipkin is a distributed tracing system

Modern Java - A Guide to Java 8

The ZAP by Checkmarx Core project

Logstash - transport and process your logs, events, or other data

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

AWS Service registry for resilient mid-tier load balancing and failover.

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

Android application powering the mirror in my house

OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.

Haven is for people who need a way to protect their personal spaces and possessions without compromising their own privacy, through an Android app and on-device sensors

signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.

High performance non-blocking webserver

Hackpad is a web-based realtime wiki.

Simple, high-performance event-driven HTTP client+server for Clojure

Docker container orchestration platform

XPrivacy - The ultimate, yet easy to use, privacy manager

Twitter common libraries for python and the JVM (deprecated)

Secor is a service implementing Kafka log persistence

Teletraan is Pinterest's deploy system.

Distributed Big Data Orchestration Service

Open source fork of the Google Authenticator Android app