Leon - Leon is a scheduling software for aviation that helps to manage day to day aircraft operations with sales, crew, OPS & maintenance features.
Purp - A smart to-do list and goal tracker app
Aircraft Cost Calculator - Aircraft Cost Calculator is a web-based solution designed to determine the operating costs of aircrafts and helicopters in the database.
Nirow - Habit tracking: Automated, Siri-ed, Calendar-ed, and More!
AMC Aviation - Airline Maintenance and Engineering
Things - Things is an easy to use task manager.