Skype for Slack - Move your slack discussions to a group skype call
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
Calls on Slack - Make voice calls in Slack
Meme Generator Pro - Meme Generator Pro is a free to use mobile application that offers all the advanced features and services or those who want to enjoy memes.
Pingly - Your communication hub — Email, text & voice in one app
Picmaker - Design the Future