ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
GrowthHackList - 100+ curated growth hacks for makers + early stage startups
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Growth Hacking Sourcebook - The ultimate growth hacking sourcebook
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Tiny Marketing Wins - Get a (small) marketing tip every day