real-mode topic
pinpog
Ping-Pong-like game in Assembly that works without OS
oslab
Practice on assembly language via Nasm, mostly in real-mode, preparation for os development
dwed
Text file editor and IDE with syntax highlight for MS-DOS and 8086 CPU. Works in Real-Mode and can handle file up to 2G.
Fontraption
A tiny but powerful VGA text mode font editor for DOS
smallmake
Public domain MAKE tool for DOS 16-bit (real mode) and 8086/88 CPU. Designed for Small C by J. Hendrix or any other languages.
smallc
Here is collection of original untouched source code for 'Small C' family
Sorry-Ass
512-byte boot sector remake of Bill Gates' DONKEY.BAS game from DOS 1.0