After Dark (1989) 22 Novelty MacOS

After Dark, from Berkeley Systems, Inc, is a set of entertaining screen savers for Mac and Windows. After Dark for Windows started off as "Magic Screen Saver" for Windows 2.x. After Dark was most famous for its "Flying Toasters" screen saver. Afterdark was very popular on both the early Macintosh computers and Windows 3.0, as neither included any kind of screen saver or screen blanker that would help prevent screen burn-in.

• 1.0 for Macintosh

DiskDoubler (1990) 0 Utility Archive MacOS

DiskDoubler is an automated file compression program for the Apple Macintosh. It does not compress the entire drive, but rather specified files. It automatically compresses and recompresses files as you use them.

• 3.x

Pyro (1990) 0 Novelty MacOS

Pyro, from Fifth Generation Systems, is a commercial set of screen savers that started of as a simple black and white fireworks screen saver on the Apple Macintosh. It competed against AfterDark.

• 4.x (Mac)