Ferrous

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

Desktop/Android/HTML5/iOS Java game development framework

:video_game: :pencil: A list of Game Development resources to make magic happen.

Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

? An exciting game of programming and Artificial Intelligence

UI Automation Framework for Games and Apps

A curated list of free/libre plugins, scripts and add-ons for Godot

Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity