Adobe Acrobat (1993) 70 Publishing Windows Unix MacOS

Adobe Acrobat, first released in 1993, is a tool for creating portable electronic documents. Its documents retain complex formatting when used across differing systems, so that they appear identical when viewed on screen or printed to a printer. Acrobat accomplishes this by encapsulating Adobe's PostSript printer language in to a document file format and offering the ability to embed fonts that are not present on the target system.

• 3.x

Adobe Illustrator (1988) 65 Graphics Unix MacOS

Adobe Illustrator is a vector graphics editor developed and marketed by Adobe Systems. It was often sold as a companion product to the bit-map/photo editor Adobe Photoshop. Illustrator was originally released in 1987 for the Apple Macintosh. Early versions were ported to NexT, Silicon Graphics, and Sun Solaris.

• 5.5

AT&T System V Unix (1991) 25 Unix

AT&T UNIX System V ("System Five"), first released in 1983, is significant as it was one of the first commercial versions of the Unix operating system. It was the result of much collaboration between vendors and became the core basis for many other operating systems including Xenix, AIX, UnixWare, Solaris, and HP-UX.

• 2.x