XLibre overlay for Gentoo Linux

XLibre Xserver

A Z80 retro computer, ZX Spectrum compatible, can also run CP/M.

Markdown source for Michael Abrash's Graphics Programming Black Book

Numpy clone in Common Lisp

The Serenity Operating System 🐞

The Pascal-F Verifier

Everything you need to prepare for your technical interview

A complete computer science study plan to become a software engineer.

Parallel OS, with GUI, Terminal, OO Assembler, Class libraries, C-Script compiler, Lisp interpreter and more...

Incompatible Timesharing System

A Z80 retro computer without the retro baggage

liballoc - a memory allocator for hobbyist operating systems

A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network…

A hobby operating system built mostly from scratch.

A Basic x86 Operating System/Kernel

Variant of 4.4BSD Unix for microcontrollers

The Common Foreign Function Interface

Clojure-based, R-like statistical computing and graphics environment for the JVM

Performance analysis tools based on Linux perf_events (aka perf) and ftrace

mal - Make a Lisp

A Small C Compiler

An operating system written in Common Lisp

Python interpreter for Peter Landin's SECD abstract machine.

A book-in-progress about the Linux kernel and its insides.

maim (make image) takes screenshots of your desktop. It has options to take only a region, and relies on slop to query for regions. maim is supposed to be an improved scrot.

An uroboros program with 100+ programming languages

A 6502 emulator in Lisp.

Empire for the PDP-11 in Macro-11 assembler language