Cool projects:

• GBADoom - port of prBoom
• DOOM 32X Resurrection - based on Jaguar Doom and Calico source port
• Faux86-remake - XT PC emulator for Windows and Raspberry Pi (bare metal)
• MAME cabinet (2006, by Adam Dawes)
• ZX-Spin - mirror, my favorite ZX Spectrum emulator for Windows
• ZX Modules - mirror, view and edit .tap & .tzx files for ZX Spectrum

Obscure games:

• Super Star Trek ports (MSX)
• Frozen Bubble (enhanced Windows 32-bit port)
• Brave Battle Saga (Genesis, Windows)
• BOOM Remake (Linux, Windows, OSX)
• Home Action Replay page - old emulator downloads

Retro-styled pages:

• DOS-Strap - 2015 Bootstrap theme by Seiyria
• BOOTSTRA.386 - 2013 Bootstrap theme by kristopolous
• DOS Gaming (June 2015 blog post by Sam Hewitt)
• Convincing-looking 90s fonts in modern browsers (May 2020 blog post by Vistaserv, archived)
• Raising the Bar for IBM PC/XT Emulation: MartyPC (July 2023 blog post by VileR)