ShotBox lets you easily markup screenshots as you take them!
ShotBox is a fantastic little utility that pops up when you take a screenshot, allowing you to quickly preview your screenshot, mark it up, and then drag it into other apps!
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.