There are 6 repositories under framebuffer topic.
Cross platfrom window and framebuffer crate for Rust
The Nano-X Window System
The only public framework for developing applications with native refresh support for Remarkable Tablet
LVGL configured to work with a standard Linux framebuffer
WebGL setup for rendering multi-pass shader networks, optimized for complex texture/image processing
uvc-gadget with resolution changing and video controls
Minimal DVI / HDMI Framebuffer
Gameboy Zero status icon overlay display
Quick and dirty characters to Linux Buffer in C - the hard way - with "glyph arrays", array fu, pointer fu, but no breasts, explosions, or car chases
Incremental system software for Raspberry Pi. From a blinking LED to a video game.
A display library: implemented purely in Micropython. 纯 Micropython 实现的显示库
Arduino library for Noritake GU800-series graphical vacuum fluorescent displays