NeXTSTEP-like desktop environment for Linux

The Serenity Operating System 🐞

The main repo for the Medley Interlisp project. Wiki, Issues are here. Other repositories include maiko (the VM implementation) and Interlisp.github.io (web site sources)

Winamp 2 reimplemented for the browser

A rendition of everyone's favorite 1995 Microsoft operating system for Linux.

e-Ink Calendar

An Apple iMessage client for classic Macintosh (System 2.0 - MacOS 9.2.2)

🎨 Classic MS Paint, ＲＥＶＩＶＥＤ + ✨Extras

Modern and functional CDE desktop based on FVWM

A CSS framework for building faithful recreations of operating system GUIs.

A JS-independent, tree-shakeable CSS framework for building faithful recreations of the Windows 7 UI.

A multimedia sketchpad

Emulator for the Oberon RISC machine

Project Oberon emulator in JavaScript and Java

A recreation of the classic Visual Basic 6 IDE and language in C# with Avalonia

James Gleick's Chaos: The Software

Dear ImGui: Bloat-free Immediate Mode Graphical User interface for C++ with minimal dependencies

6502 fantasy console experiment / toy

A cross-platform version of the ETH Oberon System 3 compatible with the Oberon+ compiler and IDE

A vintage 1980s DOS inspired Twitter Bootstrap theme

A list of retro-inspired CSS frameworks and design systems

A design system for building retro Apple interfaces

Retro OS GUI JS/CSS library

💿 Web-based Windows 98 desktop recreation █████▓█▓▓▒▓▒▒░▒░░░🗕︎🗗︎🗙︎

Superseded by AquaKit https://tangled.org/jonmsterling.com/AquaKit

CSS library based on Counter Strike 1.6 UI.

progman.exe^H^H^H^H

A stacking window manager for the River Wayland compositor, written in Rust