Mailspring - Mailspring is a mail client for Mac, Windows and Linux.

Soundbrenner Pulse - A vibrating, wearable metronome for musicians

Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

PolyNome - PolyNome is a comprehensive practice tool for musicians.

The Bat - The Bat! is a secure desktop email client for Windows, designed to protect your correspondence against third-parties and to save your time.

Ditto - Easy to use interface; Search and paste previous copy entries; Keep multiple computer's clipboards in sync; Data is encrypted when sent over the network; Accessed from tray icon or global hot key; Select entry by double click, enter key or drag drop…