Unixstickers by Sticker Mule - Stickers for fans of unix, software, coding and open source
SlidesWhiz - Better shortcuts and toolbar for Google Slides
Motivate - Handpicked motivational videos updated daily
Slideflow - Turn your Google Slides into a website in seconds.
Acrylic Charms by Sticker Mule - Add some charm to your life.
TalkingDeck - With TalkingDeck you can create instructional videos from Google Slides presented by our animated characters.