Zeplin - Collaboration app for UI designers & frontend developers
Vossier - Fortnightly UI design briefs, straight to your inbox.
Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
GoodBrief - A random generator for design briefs.
ActiveWords - Auto correct on steroids
Create Brief - Create a free shareable design brief. No email needed.