Momento - Momento is a unique diary/journal writing app for iPhone & iPod touch, which provides a quick...
Imaginators - Create interactive presentations
Rif - Product Hunt for reaction GIFs
Mentimeter - a web-based polling tool for workshops, conferences & events
Crumbles - Crumbles are like reaction GIFs with a way bigger vocabulary
Slideflow - Turn your Google Slides into a website in seconds.