QFlash

high speed RAM disk driver.
by Carston Koch in Germany, 
allows you to set aside part of the QL's memory for storage of programs and data
much quicker than floppy disk or microdrive cartridge
simply use SAVE ram1_test for example.

ICE

Pointer controlled icon desktop for launching programs
can be used with a mouse or with keyboard.  
by Eidersoft
one of the earliest desktops


Lightning Special Edition

by Steve Sutton
published by Digital Precision
excellent utility which speeds up text, graphics and maths routines on the QL 
without needing extra memory or amendments to the programs.