Kite Compositor - A powerful animation and prototyping application for Mac & iOS.
Zeplin - Collaboration app for UI designers & frontend developers
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.
Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
ActiveWords - Auto correct on steroids