GIPHY Says - Turn your words into animated GIFs!
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Data GIF Maker by Google - Google's new tool turns boring data into GIFs!
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Gifox - Delightful GIF Recording and Sharing App for macOS
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.