UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
Ralpha Image Resizer - High-speed image batch conversion tool
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.