BBS Software:
Synchronet
Mystic
Spitfire

BBS Clients:
SyncTerm
Netrunner
MuffinTerm (iOS)

BBS Tools, Resources & Doors:
NetFoss
Netserial
pc micro
IPTIA BBS
The Telnet Guide
Fool's Quarter Door Games

FTN/QWK (BBS networks)
:
FidoNET
Oregon Fido Hub
Dove-Net
MicroNet
fsxNet

Door games:

Usurper
LoRD
TWGS
Yankee Trader (player)
Yankee Trader (sysop)
Darkness
BBS Wordle
Door Game Keys

BBS Scene & Ansi art:
BlockTronics
16 colors
jp!

Other:
The Old Internet Again!