Linux kernel source tree

How to create an OS from scratch

Learning operating system development using Linux kernel and Raspberry Pi

Box2D is a 2D physics engine for games

Windows File System Proxy - FUSE for Windows

Linux namespaces and seccomp-bpf sandbox

sc-im - Spreadsheet Calculator Improvised -- An ncurses spreadsheet program for terminal

JavaScript port of Vim

A SIXEL encoder/decoder implementation derived from kmiya's sixel (https://github.com/saitoha/sixel).

SwiftLaTeX, a WYSIWYG Browser-based LaTeX Editor

A C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)

A featherweight, lemon-scented, bar based on xcb

A Beautiful Gemini Client

X11 screen lock utility with security in mind

retire your mouse.

Cirron measures performance counters (instructions executed, etc.) and traces system calls a piece of Python or Ruby code executes.

Make a simple utility filesystem in 10 lines of bash.

A fast AsciiDots interpreter written in C (and with Bad Apple!! as sample).

C compiler written in C.