Imaginators - Create interactive presentations
GIFSOM - Create GIFs up to 4 seconds from sources like YouTube, Facebook Videos, TikTok, Twitter, and more in high quality. GIFSOM stores the GIFs absolutely free.
Mentimeter - a web-based polling tool for workshops, conferences & events
4Gifs.com - Funny Animated GIF archive.
SlidesPro - Google Slides add-on w/ shortcuts, YT videos & more
Gif Finder - Gif Finder is another platform that allows you explore, upload, and share Gif files.