Clarion (1989) 2 Database DOS

Clarion is an advanced user friendly 4GL DBMS and programming environment for DOS and Windows. It boasted the ability to greatly reduce application development time, featured highly integrated visual creation tools, and a powerful set of program functions.

• 3.0 (DOS)
• 3.1 (DOS)

dBASE (1983) 31 Database DOS Windows

Ashton-Tate dBase was an early popular database management system for CP/M and MS-DOS. It was regarded as one of the killer applications for CP/M, and achieved good success. At the time of conception Ashton-Tate was a garage based company but quickly grew.

• 5.x

IBM Small Business Suite (2000) 3 Word Processor Spreadsheet Presentations Graphics Server Database Windows Linux

IBM Small Business Suite for Linux V1.6 is a Development Platform with a Set of Personal Productivity Tools. It was intended to simplify businesses transitioning to "e-business" by providing a foundation on which users could “webify” their businesses. It includes IBM and Lotus middleware products for Linux and Productivity tools for Windows.

• 1.x

Lotus 1-2-3 (1983) 66 Spreadsheet DOS

Lotus 1-2-3 was an early spreadsheet application available for MS-DOS. It became extremely popular in the late 1980s, displacing the former leader VisiCalc. Lotus had difficulties adapting 1-2-3 to the Windows environment, and was overtaken by Microsoft Excel. Spreadsheet functionality was also included in Lotus Symphony. Later versions were included in Lotus SmartSuite.

• 4.x (DOS)

Lotus SmartSuite (1992) 33 Word Processor Spreadsheet Presentations PIM Database OS2

IBM/Lotus SmartSuite is an office suite from Lotus software for Windows and OS/2. SmartSuite includes SmartCenter, 1-2-3, Word Pro, Freelance Graphics, Approach, Organizer, and ScreenCam.

• For OS/2
• For OS2 Warp 4

New Deal Office (1999) 1 Word Processor Spreadsheet Presentations DOS

Based on GeoWorks, New Deal Office was a graphical operating environment for DOS which later became Breadbox Ensemble. New Deal adds a Windows-95 like user interface with a task bar and start menu. New Deal Office targeted low-end 386 and 486 computers that were not up to the task of running Windows 95. It was also released in a "WebSuite" edition only includes the internet connectivity and web browsing tools.

• 3.1b
• 3.2a
• 2000

Quattro Pro (1987) 9 Spreadsheet DOS

Quattro Pro, initially just named "Quattro", is a spreadsheet application from Borland International. It competed against Lotus 1-2-3 and Excel, and had several advantages including tabbed sheets, and the ability to handle up to a million rows. Quattro Pro was the subject a lawsuit by Lotus, simply because because Quattro Pro copied their menu user interface, but Lotus claimed this was not allowed. This also affected The Twin and VP-Planner.

• 5.6 (DOS)