BitSmall alternatives

Jiffy is a free app that lets you quickly search and discover GIFs from GIPHY. When you have found an awesome GIF, just drag and drop it into an app. You can also favorite GIFs, browse favorites, and set a custom keyboard shortcut. Requires macOS 10.15.4.

Msgif is a GIF generator that converts a message you type into a GIF animation. Once you download it you can share it on social media, chat apps or wherever you want! (I added a demo on the third image)

GIFs are a perfect platform for microlearning content. Create bite-sized knowledge snacks for your students. GIFs are easy to share over every possible information delivery channel (social, email, instant messaging), and are a familiar medium to everybody.