Vert.x is a tool-kit for building reactive applications on the JVM

A library for working with Bitcoin

Azkaban workflow manager.

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

A system for distributing and managing secrets

Elegant parsing in Java and Scala - lightweight, easy-to-use, powerful.

Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, folds, optics and typeclasses.

Yaaic (Yet Another Android IRC Client) is as the name already says an Internet Relay Chat (IRC) client for Android devices.

Categorical Query Language IDE

PL/Java is a free add-on module that brings Java™ Stored Procedures, Triggers, Functions, Aggregates, Operators, Types, etc., to the PostgreSQL™ backend.

jGnash Personal Finance

Weigh yourself with android & a wii balance board

FHIR Clinical Reasoning Module Server

Georgia Tech FHIR Server Web Page

A JDBC-based database drill down utility.

Automatic derivation of functional-java typeclasse instances and optics

Android SuperGenPass app

My git-svn mirror of E-on-Java

A clone of the Waterken server code from SourceForge.

Repository made up of all i2b2 source releases

A repo for doing git-svn with the official waterken repo (https://waterken.svn.sourceforge.net/svnroot/waterken/server)

Adapter for Hadoop DFS clients to store data in Tahoe