Derive (1994) 2 Mathematics DOS

Derive was a computer algebra and graphing system, developed as a successor to muMATH by Soft Warehouse, Inc. in Honolulu, Hawaii, now owned by Texas Instruments. Derive was implemented in muLISP, also by Soft Warehouse. The first release was in 1988 for DOS. It was discontinued on June 29, 2007 in favor of the TI-Nspire CAS. The last and final version is Derive 6.1 for Windows.

• 3.x

Lotus SmartSuite (1992) 61 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 OS2 Warp 4

New Deal Office (1999) 3 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)