Planet Explorer - Interactive global satellite images
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Tape It - App for songwriting & audio recording.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Hum - Songwriting for iPhone
LightShot - The fastest way to take a customizable screenshot.