Popular MUDs
- Achaea — Deep roleplay and rich worldbuilding.
- Mudlet Directory — Find hundreds of active MUDs.
- The MUD Connector — Classic hub for text worlds.
IRC Networks
- Libera.Chat — The modern home of many old communities.
- EFnet — One of the oldest IRC networks still alive.
- IRCNow — Retro‑friendly IRC hosting.
BBSes You Can Still Telnet Into
- Telnet BBS Guide — Thousands of active boards.
- BBS Documentary — History of the BBS era.
Classic DOS Games
- DOS Games Archive — Free classics.
- ClassicReload — Play DOS games in your browser.
- My Abandonware — Thousands of old PC titles.
HTML/JS Retro Browser Games
- RetroGames.cc — Emulated classics online.
- EmulatorJS — Play ROMs in your browser.
- Internet Archive DOS Library — Massive playable archive.
Retro Computing Notes
- VOGONS — Vintage PC hardware & software discussions.
- OS/2 Museum — Deep dives into forgotten OS history.
- OldComputers.net — Specs and photos of classic machines.