Spirit - The animation tool for the web.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Lottie by Airbnb - Easily add high-quality animation to any native app
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
App Animations - Gallery of beautiful iOS animations to inspire your next app
Ralpha Image Resizer - High-speed image batch conversion tool