Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

Zeplin - Collaboration app for UI designers & frontend developers

Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

Abstract - A secure, version-controlled hub for your design files

Woohoo - Increase conversions by replacing popups with mini games

Pamela for Skype - A versatile and easy to use Skype audio and video recording software. Features