xHarbour is a portable implementation of the Clipper/xBase language (Compiler & complete Run-time libraries). It's practically 100% backward compatible with CA-Clipper 5.2e and 5.3c, and offers man…

Event notification library

Option ROM to boot x86 PCs from NVMe drives (legacy BIOS, INT 13h)

Open Watcom V2.0 - Source code repository, Wiki, Latest Binary build, Archived builds including all installers for download.

Bhyve Management Daemon

A repo in which i960 CTOOLS and NINDY are mirrored and a work in progress for binaries will be.

Vitruvian is the human-centric Operating System.

SpinalHDL implementation of the 3dfx Voodoo Graphics GPU

FreeBSD Device Driver Book

The UnixWare 7 source code.

The UnixWare 2.0 source code.

The HP-UX 9.10 source code

Yoot Tower

FAT32 filesystem for IRIX 6.5

This is an effort do keep the sgi port of OpenBSD alive.

Dive into CPython internals, trying to illustrate every detail of CPython implementation

Distributed Tracing for PostgreSQL

Embeddable Linux Kernel Subset - Linux for 8086

List of available IBM/Lenovo ThinkPad Recovery Media

A C++ library providing various concurrent data structures and reclamation schemes.

A command-line tool to download photos from iCloud

smolBSD is a tiny BSD UNIX (NetBSD) system creation tool, primarily aimed at building modern, lightweight, fast micro VMs

brozzler - distributed browser-based web crawler

A production-ready C++ vector graphics engine supporting SVG and Lottie formats, featuring advanced rendering backends such as WebGPU for high-performance graphics.

Learn to build safety-critical systems in C. Prove first, code second.

SVR4 Filesystem Survival Kit

comment engine

Docker container that contains the IBM BookManager BookServer 2.3 CGI application.

An open-source reimplementation of Apple Macintosh System 7 for modern x86 hardware, bootable via GRUB2/Multiboot2