Wrote 68000 assembly on Sinclair Quantum Leap. Published 3 titles

• TaskMaster a taskmanager
  the best selling app for a while on the QL the native office apps did not multitask in memory by default they needed this switcher to provide ALT-tab functionality to switch between.
• Flashback a database in memory hotkey popup about 1000 times faster than the office app in searching free flow text entry, where you could tag the fields later
• Spellbound a spelling checker intercepted all input streams so a single spelling checker on all programs accepting input