Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP…

Open Source Soldering Iron firmware

Dissecting the M1's GPU for 3D acceleration

Emulator that can run 32-bit Windows programs/games on multiple platforms via Wine

a gcc-based cross-compiler for classic 68K and PPC Macintoshes

visual6502 remixed

FNA3D - 3D Graphics Library for FNA

Linux kernel source tree

Linux kernel module to use UEFI Block IO Protocol devices. Probably not a good idea.

Secure-Launch implementation for Qualcomm devices

Qualcomm Remote Filesystem Service Implementation

An Apple 1 Emulator that doesn't suck

Debian for Asus C201p, with broadcom wifi support (PrawnOS fork)

EFI driver that finds and installs DeviceTree into the UEFI configuration table.

"Das U-Boot" Source Tree

Linux kernel

Libre Mainline Kernel and Debian for the Asus C201