Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.
Zeplin - Collaboration app for UI designers & frontend developers
Screencast-O-Matic - Free version Records up to 15 minutes, premium is $15/year.
ActiveWords - Auto correct on steroids
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.