ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Ralpha Image Resizer - High-speed image batch conversion tool
LightShot - The fastest way to take a customizable screenshot.