There are 2 repositories under graphics-api topic.
Graphics API wrapper is written in C++ on top of DirectX 12, Vulkan and Metal. Provides main features including ray tracing.
A lock-free CommandBuffer implementation designed for multi-threaded rendering applications.
XUSG, XU's supreme graphics lib, is a handy wrapper currently for DirectX 12. It can be a good reference for designing your own DX12 wrapper APIs.
Automatically updated C# bindings for sokol https://github.com/floooh/sokol with native dynamic link libraries.
eXtensible Framegraph
The exomia/vulkan-api repository contains .NET bindings providing low-level and cross-platform access to the Vulkan API.
[DEPRECATED] Memory management library of gfx_hal
OpenGL Guide
Vulkan Guide
DirectX Guide
Game engine created in linux using vulkan
Simple, cross-platform and low boilerplate graphics API based on Vulkan
Terminal Graphics Library
Slides for dotGo 2015
A tiny, memory-safe toy graphics API in Rust.
Graphics Library
Graphics engine for real world physics simulation.
Test checking possible implementations of graphics API abstraction.
A personal study through modern graphics API that should result in 5 small demos for each API for comparison.