OSGi framework integrated into SpringBoot application

Java JNI bindings for Nvidia PhysX

pascalscript

Uglier things have been spotted on github, but not by reliable witnesses.

Apple 1 replica based on real 6502 and Arduino Due

A Collection Of Chip-Based Synthesizers

A SN76489 MIDI synth, controlled by a Teensy 2.0 microcontroller

JavaScript 3D Library.

The Open Source Role Play Device for the Metaverse.

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

Hazelcast Distributed File System Layer

Create an attack-resilient network out of smartphones, no-PC-needed (proof of concept)

Acces to Linux frame buffer devices from Java. E.g. for driving LCD SPI displays on the Raspberry Pi

A LOLCODE interpreter written in C.

The doge interpreter for the shibe esoteric programming language.

https://defuse.ca/eotp.htm

PDF Reader in JavaScript

GlusterFS plugin for Hadoop HCFS

Web-based client for accessing Second Life