Cakewalk (1993) 4 Audio DOS

Cakewalk is a MIDI music authoring and editing tool. The earlier versions are considered among the best MIDI tools that ever existed. Microsoft Windows. limited music notation and a built-in scripting language called CAL (Cakewalk Application Language). limited functionality OEM-bundled "Express" editions.

• 5.0 (DOS)

Perks (1987) 0 Utility PIM DOS

Perks-PC is a set of terminate-and-stay-resident utilities originally designed for the Zenith Z-100 and optimized for use on laptop computers. It features a notepad, typewriter tool, a four-function calculator, appointment calendar, card file, a rudimentary telecommunications program with file transfer abilities, and alarm clock. Notably, it claims to support all versions of DOS including DOS 1.x.

• 2.x

Popcorn Desktop (1986) 1 Utility PIM DOS

Popcorn desktop is a set of TSR utilities similar to Borland Sidekick. It includes a text editor, a calculator, and a calendar. It can copy information from currently running programs displayed on the screen.

• 1.x

Sidekick (1984) 16 Utility PIM DOS

Borland Sidekick is a DOS based PIM (Personal Information Manager) and one of the first widely-used TSR (terminate and stay resident) programs. The key feature of Sidekick was that one could use Sidekick's utilities while using most other MS-DOS applications. This was important because MS-DOS had no built-in multi-tasking or task switching capabilities.

• 1.x
• Plus
• 2.0