Free universal database tool and SQL client

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

TLC is a model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.

XML/XHTML and CSS 2.1 renderer in pure Java

The ToroDB solution to provide better analytics on top of MongoDB and make it easier to migrate from MongoDB to SQL

OpenMRS API and web application code

A set of command line tools (in Java) for manipulating high-throughput sequencing (HTS) data and formats such as SAM/BAM/CRAM and VCF.

Overlap2D Game development toolkit for UI and Level design

Discord Bot