DOS XL OS/A+ K-DOS BW-DOS
MyDOS MyPicoDOS & Tools Diamond GOS

OSS: DOS XL

 DOS XL Cover 

OSS: DOS XL v2.30 & Bug/65 v2.0

:Publisher Optimized Systems Software Inc.
:Programmers Mark Rose, Bill Wilkinson, & Mike Peters
:Release Year 1983
:Format DOS XL 2.x Floppy Disk
:Description Command-Line & Menu Driven Disk Operating System
:Modules DOS, Utilities, & Debugger
ATR ATR
DOS XL v2.30
& Bug/65 v2.0 		PDF BM PDF BM
DOS XL v2.30
& Bug/65 v2.0

OSS: DOS XL v2.30p

:Publisher Optimized Systems Software Inc.
:Programmers Mark Rose, Bill Wilkinson, & Mike Peters
:Release Year 1984
:Format DOS XL 2.x Floppy Disks
:Description Command-Line & Menu Driven Disk Operating System
:Modules DOS & Utilities
ATR ATR
DOS XL v2.30p
(Single-Density) 		ATR ATR
DOS XL v2.30p
(Double-Density)

OSS: OS/A+

 OS/A+ Cover 

OSS: OS/A+ v2.1

:Publisher Optimized Systems Software Inc.
:Programmers Mark Rose, Bill Wilkinson, & Mike Peters
:Release Year 1982
:Format OS/A+ 2.x Floppy Disk
:Description Command-Line Disk Operating System
:Modules DOS & Utilities
ATR ATR
OS/A+ v2.1 		PDF PDF
OS/A+ (1982) 		PDF PDF
OS/A+ (1983)

OSS: OS/A+ v4.1

:Publisher Optimized Systems Software Inc.
:Programmers Mark Rose, Bill Wilkinson, & Mike Peters
:Release Year 1982
:Format OS/A+ 4.x Floppy Disk
:Description Command-Line Disk Operating System
:Modules DOS & Utilities
ATR ATR
OS/A+ v4.1

K-Byte: K-DOS

 K-DOS Cover 

K-Byte: K-DOS

:Publisher Kay Enterprises Co.
:Programmer K-Byte
:Release Year 1981
:Format K-DOS Floppy Disk
:Description Command-Line Disk Operating System
:Modules DOS & Utilities
ATR ATR
K-DOS 		PDF BM PDF BM
K-DOS

BeweSoft: BW-DOS

 BW-DOS Cover 

BeweSoft: BW-DOS v1.30

:Publisher BeweSoft
:Programmer Jiri Bernasek
:Release Year 1995
:Format SpartaDOS X 4.x Floppy Disk
:Description SpartaDOS X Compatible Disk Operating System
:Modules DOS & Utilities
ATR ATR
BW-DOS
v1.30 (S1) 		ATR ATR
BW-DOS
v1.30 (S2) 		PDF PDF
BW-DOS
v1.30

Wordmark: MyDOS

MyDOS Cover MyDOS Tech Cover

Wordmark: MyDOS v4.50

:Publisher Wordmark Systems
:Programmers Charles Marslett & Robert Puff
:Release Year 1988
:Format MyDOS 4.x Floppy Disk
:Description Menu-Driven Disk Operating System
:Modules DOS & Utilities
ATR ATR
MyDOS v4.50 		ZIP ZIP
MyDOS v4.50
Source 		PDF BM PDF BM
MyDOS v4.50
Manual 		PDF BM PDF BM
MyDOS v4.50
Technical Manual

HiasSoft: MyPicoDOS & Tools

 HiasSoft Logo 

HiasSoft: MyPicoDOS v4.06

:Publisher HiasSoft
:Programmer Matthias Reichl
:Release Year 2017
:Format MyDOS 4.x Floppy Disks & Binaries
:Description Game / Loader DOS
:Modules DOS Versions & Utilities
ZIP ZIP
MyPicoDOS v4.06

HiasSoft: Atari Tools v0.30 (for MyPicoDOS v4.06)

:Publisher HiasSoft
:Programmer Matthias Reichl
:Release Year 2017
:Platform Microsoft Windows
:Description Atari Disk Image & Binary Utilities
:Modules adir, dir2atr, ataricom
ZIP ZIP
Atari Tools v0.30
(MyPicoDOS v4.06)

ReeveSoft: Diamond GOS

Diamond Cover Diamond Develop Cover

ReeveSoft: Diamond GOS v3.0

:Publisher ReeveSoft
:Programmer Alan Reeve
:Release Year 1991
:Format 64KB ROM Cartridge & DOS 2.x Floppy Disk
:Description Graphical Operating System & Applications
:Modules GOS, Utilities, Paint, & Write
ROM ROM
Diamond
GOS v3.0 		ATR ATR
Diamond
GOS v3.0
(Apps & Utils) 		PDF PDF
Diamond
GOS v3.0

Reeve Software: Diamond News Station v1.0

:Publisher Reeve Software
:Programmer Alan Reeve
:Release Year 1990
:Format Atari DOS 2.x Floppy Disk
:Description Desktop Publishing
:Modules Desktop Publishing, Print Drivers, & Fonts
ATR ATR
Diamond
News Station 		ATR ATR
Diamond
Fonts 		PDF PDF
Diamond
News Station

ReeveSoft: Diamond GOS v3.0 Develop

:Publisher ReeveSoft
:Programmer Alan Reeve
:Release Year 1991
:Format Atari DOS 2.x Floppy Disk
:Description Development Package
:Modules Library, Macros, Examples & Skeleton Code
ATR ATR
Diamond
GOS v3.0
Develop 		PDF PDF
Diamond
GOS v3.0
Develop