Free universal database tool and SQL client

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

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

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

PocketHub Android App

A collection of samples demonstrating different frameworks and techniques for automated testing

A programmer-oriented testing framework for Java — ⚠️ maintenance mode

Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.

A set of Minecraft mods that provide a real time web-based map system for various Minecraft server implementations.

Embulk: Pluggable Bulk Data Loader.

Read Eval Print Loop for Java

MySQL, PostgreSQL, Redshift and generic JDBC input plugins for Embulk

LanguageTool language server to add grammar checking support to editors and other tools that use the Language Server Protocol (LSP)

JRuby's parser customized for IDE usage