Storyboard That - Storyboard That is the world's best online storyboard creator.
Zeplin - Collaboration app for UI designers & frontend developers
Microsoft Cortana - Microsoft Cortana – Digital Assistant app brings a smart assistant to your smartphone to help keep track of the important stuff, introduced by Microsoft.
Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
Storyboarder - Storyboarder makes it easy to visualize a story as fast you can draw stick figures.
ActiveWords - Auto correct on steroids