WinSnap is a clean, fast, simple and user-friendly utility for taking and editing screenshots. It can easily capture windows of non-rectangular form with customized and transparent backgrounds, including Aero Glass on Windows 7 and Vista. WinSnap adds eye-candy drop shadows, reflections, rotations, watermarks and other effects on the fly. It supports a variety of image formats and provides advanced auto-save features.
Notification : Winsnap is provided as a trial version available 30 days. After that, you will need to buy a license ((lifetime license for $22,90) or remove the software from your PC.