Josh Parnham - Software Developer and organiser
Relephant - All of your screenshots, intelligently organized
Yoink - Yoink is a website that makes it easier to drag and drop images and text from one screen to another. It's a straightforward site with help along the way if you aren't sure about dragging and how to place your content.
Screenzy - A simple screenshot beautifier
ScreenFloat - Harness the power of screenshots to be more productive
Smartmockups - Create stunning product mockups, easily and online.