public-domain

miniaudio

+27

Audio playback and capture library written in C, in a single source file.

free-exercise-db

+29

Open Public Domain Exercise Dataset in JSON format, over 800 exercises with a browsable public searchable frontend

ZealOS

+8

The Zeal Operating System is a modernized fork of the 64-bit Temple Operating System, TempleOS.

nodezator

+2

A generalist Python node editor

JSON-java

+2

A reference implementation of a JSON package in Java.