GIFjam for Messenger - Animated GIF memes for Facebook Messenger
Ralpha Image Resizer - High-speed image batch conversion tool
Crumbles - Crumbles are like reaction GIFs with a way bigger vocabulary
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
GIF Search on Twitter - Get ready to search and send GIFs in tweets and DM's
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.