Nucleo - Commercial vector icons and accompanying apps to manage and customize them.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Endless Icons - A collection of free flat icons and creative stuff
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
silhoutteAC - More than 47,000 vector silhouettes for free
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.