Feather Icons - Simply beautiful open source icons
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
IconStore - Free icon packs by first-class designers
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.