And, this is distributed as Freeware. So you may use this software on any number of computers for as long as you like.

PicPick is screen capture application that includes an image editor and several on-screen measurement tools, including color picker, color palette, pixel ruler, protractor, crosshair and more. It allows you to capture the entire desktop, active windows, selected areas or window controls with the click of a button or via keyboard shortcut. The captured image can be loaded into the internal image editor for further editing, saved as image file (JPG, PNG, GIF, BMP) or automatically uploaded to your FTP server (upload the image and copy the URL to the clipboard). The PicPick image editor provides a variety of tools to add text, shapes, drop shadows, frames and other effects to your images. Other features include support for page scrolling, customizable hotkeys and more.

Features:
Captures
- Full Screen (Support for Dual Monitors)
- Active Window
- Window Control (Scroll a page automatically)
- Region, Fixed Region
- FreeHand
- Repeat Last Capture
Image Editor
- It's very similar to Microsoft Paint, but you can do more.
- It provides an effect like selection opacity, blur, sharpen, brightness, contrast, hue, saturation, flip, rotate and etc.
Color Picker
Color Palette
Pixel Ruler
Screen Protractor
Crosshair
Screen Whiteboard