What are some alternatives?
When comparing Tall Tweets for Google Slides and Lively, you can also consider the following products
Plotaverse - Photo animation made easy, animate like the pros
Instagfy - Make a GIF with your most popular photos on Instagram
GIF Brewery by Gfycat - Create stunning GIFs from videos & screen recording for free
Gifs - Search through a library of hundreds of GIFs that you can send in your messages or that you can share to social media pages.
Clippy - Yes, Clippy from Microsoft Office is back — on macOS!
Automatic GIF Creator - Over a million gifs made with Computer Vision 🤖