Creative Market - Buy and sell handcrafted, mousemade design content like vector patterns, icons, photoshop brushes, fonts and more at Creative Market.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
SocialSizes - Sketch templates for sharing images & videos on social media
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Designify - Turn any photo into awesome, automatically
Ralpha Image Resizer - High-speed image batch conversion tool