Ivy Wallet is an open-source money manager app for Android, no longer maintained. You can fork the code or download the final version from Google Play.

Planar Shadow is very cheap and useful for mobile games.

Roslyn analyzers for Unity game developers

Test cases for Writing a C Compiler

Third-person Action Roguelike made in Unreal Engine C++. Project for Unreal Engine C++ Course & Stanford University

An attempt to make Unreal Engine 4 projects more consistent

Personal hobby project to experiment with various rendering techniques.

A modern cross-platform low-level graphics library and rendering framework

roadmap to becoming a graphics developer

A collection of microbenchmarks for various game- and graphics-centric vectormath libraries.

An open source C++ game engine.

A GLSL Preprocessor

stb single-file public domain libraries for C/C++

3D scene with a model of the Solar System

The Asset-Importer-Lib for free models

A brief computer graphics / rendering course

Percentage-Closer Soft Shadows (PCSS) in OpenGL

A refreshingly simple data-driven game engine built in Rust

Nvidia's PCSS soft shadow algorithm implemented in Unity

A guide to using modern OpenGL functions.

List of free GPTs that doesn't require plus subscription

Example unity project with a working Vertex (for algorithmic vertex displacement) and Fragment (for using the 3d model's original texture)

A command-line tool for the conversion of 3D model assets on the FBX file format to the glTF file format.

Tiny but powerful single file wavefront obj loader

DirectXMesh geometry processing library

NvTriStrip library and NvTriStripper tool

Vanda Engine is an open source 3D Game Engine for Windows. It's free for both commercial and personal use.

Simple printf functionality for GLSL.

Learning Modern 3D Graphics Programming