The Stars! FAQ preserved patches, downloads, strategy material and community knowledge around the 1990s Windows space-strategy game Stars!, long after normal commercial support faded.
PlayTool's 2008 power-supply reference maps AT, ATX, SATA, EPS12V and PCI Express connectors with pinouts, part numbers, current limits and the historical reasons PC power wiring kept changing.
RetroArchive preserves old software collections, manuals and CD-ROM file libraries, including hundreds of RemoteAccess BBS utilities with original filenames, dates and descriptions from the late 1980s and early 1990s.
The surviving Total Hardware 99 archive preserves specifications, jumper maps, switch settings and configuration tables for thousands of old PC motherboards, modems and expansion cards.
Fredrik Andersson's Zusie project documents a homebuilt computer made largely from salvaged telephone-exchange relays, complete with its own architecture, microcode and DOS toolchain.
Chuck Moore's colorForth site preserves a radically small Forth system where color carries syntax, along with the OKAD chip-design tools and notes from decades of minimalist computing work.
Project E.U.N.U.C.H. documented a wonderfully reckless attempt to overclock a cheap 25 MHz Intel 486 by putting the computer in a household freezer, culminating in a claimed 247 MHz run.
TheOldNet was built to make archived websites usable on actual vintage computers, combining a Wayback proxy, old-browser compatibility work, BBS access and Wi-Fi modem projects.
Mike Willegal's long-running site documents Apple I and early Apple II recreation projects with schematics, assembly guides, board artwork and correspondence with Steve Wozniak.
Simson Garfinkel's NeXT Computer Historical Site preserves brochures, specifications, magazine material, screenshots and notes from the 1988 NeXT unveiling.
A surviving Japanese personal page documents Michaelsoft Binbows, a used-computer shop whose name and reversed Windows-style logo became an Internet curiosity decades later.
AI.Planet was an open-source early-2000s artificial-life sandbox where users could build planets, alter weather and watch creatures learn inside a 3D world.