MacTools (1988) 9 Utility MacOS

Central Point MacTools is a set of disk utilities similar to Central Point PC Tools for the Apple Macintosh. It includes a file system repair tool, disk optimizer, anti virus, hex editor, and more. MacTools 4.0 Pro was the final version after Central Point was bought out by Symantec.

• PC Tools Deluxe (Mac)
• 1.x
• 2.0
• 3.0

MacWrite (1984) 25 Word Processor MacOS

MacWrite was one of two applications released with the Apple Macintosh in 1984 - the other being MacPaint. These applications defined the Macintosh, and helped define what users expected from GUI applications.

• 1.0
• 2.20
• 4.x
• 5.0
• II (1989)
• Pro 1.x

Microsoft Macro Assembler (1981) 74 DOS

The Microsoft Macro Assembler (MASM) is an x86 assembler that uses the Intel syntax for MS-DOS and Microsoft Windows. For a time, it competed with Borland Turbo Assembler. IBM re-branded early versions under the name IBM Macro Assembler. Later versions were bundled with Microsoft Visual Studio.

• 1.x
• 3.x
• 4.x
• 5.x
• 6.x