Ghidra is a software reverse engineering (SRE) framework

Jenkins automation server

A high performance caching library for Java

Zipkin is a distributed tracing system

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

Generate diagrams from textual description

Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

A damn simple library for building production-ready RESTful web services.

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

Alluxio, data orchestration for analytics and machine learning in the cloud

[DEPRECATED] Action bar implementation which uses the native action bar on Android 4.0+ and a custom implementation on pre-4.0 through a single API and theme.

Yahoo! Cloud Serving Benchmark

A scalable, distributed Time Series Database.

Apache Maven core

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

Fork of tagtraum industries' GCViewer. Tagtraum stopped development in 2008, I aim to improve support for Sun's / Oracle's java 1.6+ garbage collector logs (including G1 collector)

Small set of tools for JVM troublshooting, monitoring and profiling.

Apache Curator

https://openjdk.org/projects/code-tools/jmh

A High Dynamic Range (HDR) Histogram

Hacker's Keyboard (official)

Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP

jmxtrans

KeePass implementation for android

A sampling JVM profiler without the safepoint sample bias

Java monitoring for the command-line, profiler included

A command line tool to run Jenkinsfile as a function

LZ4 compression for Java

Google Authenticator Server side code

Apache Phoenix