There are 1 repository under pcdos topic.
DOSee is a DOSBox based, MS-DOS emulator for the web.
The CGA Compatibility Tester: Tests ISA videocards for register-level compatibility with CGA
Misc. programs for old PC DOS machines: Tandy 1000, PCjr, etc.
MSDOS 1.25-2.11-3.3-5.0-6.0-6.22 and PCDOS 7.1 (derived, redeveloped) source code in NASM syntax
Simple Experiments on MS-DOS 1.25 / PC-DOS 1.1
Microsoft Windows Graphical Environment 8/1/1991 AV 3.00
AC'97 MOD Player for DOS (no DPMI, no HIMEM.SYS, no AUDIO DRV, direct play)
AC'97 WAV Player for DOS (no DPMI, no HIMEM.SYS, no AUDIO DRV, direct play)