Allows you to capture any part of your Mac screen. After capturing you can upload picture to prntscr.com server and get nice short link like http://prntscr.com/9xf5w
You can share your screens via Twitter or Facebook. Lightshot allows you to search visual similar images over the Internet.
Lightning fast image editor allows you to add lines, arrows and text annotations as soon as you capturing.
Captured images could also be saved on your local hard drive or printed.
Mac OS X 10.7