Zygoat makes great software for Mac and iOS.
Doggiebox (Mac) is a versatile and easy-to-use percussion sequencer for hobbyists and pro musicians alike. Create realistic drum tracks with Doggiebox in minutes for recording, rehearsal, or even live performance. Doggiebox was first released in 2002.
First Asssistant (Mac) is a multi-purpose data management utility for film and video professionals, designed to aid offline editors and assistant editors in the production and post-production workflow. First Assistant debuted in August 2012.
Log-i-Cal (iPad) is an improved calendaring and task management app designed by professional productivity experts to show you your entire workload in a simple, easy-to-use screen. Log-i-Cal's unique algorithm shows you only the tasks you said you needed to see, exactly when you need to see them, creating the ultimate radar from which to manage your busy life. Log-i-Cal debuted in July 2012, designed by James McKimm and Eric Poirier and developed by Zygoat.
BoozeHound (iPhone) is a location-based liquor store finder. With a tap of the finger, BoozeHound will display a map of the nearest open liquor stores in Canada, complete with store hours and phone number (where available). BoozeHound was released in 2009 and developed in partnership with Deversus Software.