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.
Songcraft.io - A platform for songwriters to write, organize & collaborate.
LightShot - The fastest way to take a customizable screenshot.
RiffShare - Write down a musical riff, send to band members, collaborate