Universe Race: Star Pilot FREE
Beppi's App Studios
Astro Calculator
DBG Nautical
Navigation Calculator
Nautical Almanac
Maksym Skrypkin
Nautical Astronomy
Navigational Algorithms
Celestial Navigator
Union Designs
Navigraph Charts
Navigraph
Garmin Pilot
Garmin International, Inc.
iNavX: Marine Navigation
NavX Studios
Seapilot