iPad & iPhone

Tameno - Get Tapped
Citator
Reference
Yoink - Improved Drag and Drop
Productivity
Transloader
Utilities

Apple Watch

Apple TV

Mac

Tameno - Get Tapped
Upsies - Your Picture Upscaler
Photo & Video
Glimpses - Still Motion Videos
Photo & Video
Transloader
Utilities
Yoink - Better Drag and Drop
Utilities
ScreenFloat - Screenshot Tools
Reference