Annotable is the most full-featured all-in-one image annotation & markup tool on iOS.
Screen Guru is a tool to take clean screenshots of any website directly from your browser. The app is open source!
Shots for Mac OS is an utility for people who use screen grab feature of Mac OS extensively. Screen grab clutters your desktop and you lose important ones because of this mess. Shots was born out of necessity for our internal use.
Screenzy is a simple picture and screenshot beautifier.
Take a screenshot with 1 click, mark it up, and send it as a link to anyone!