While the in-built Snipping Tool in Windows 8 is pretty useful, if you are look for a more feature-rich freeware to capture screenshots on your Windows 7 or Windows 8, you may want to have a look at Free Screenshot Capture.
Free Screenshot Capture Tool
Free Screenshot Capture is a powerful, yet easy-to-use screen capture tool. It can help you capture screen, capture webcam images, pick colors on the screen, control brightness, and more. It also includes tools like screen protractor, screen ruler, screen magnifier, which will help you make capturing screenshots more accurate.
You can capture the full screen, window, part of the screen – all in quick, easy steps. It also allows elliptical screen captures and screen captures with delay.
The UI looks pretty cool and includes a wizard to help you with the tool. You can access the tool and all its feature by right-clicking on its icon sitting in the notification area.
You can download it from here. It worked just fine on my Windows 8 too.
These Free Desktop Recorder and Screen Recording Software for Windows may also interest you.
You may also want to check out our freeware Windows Screen Capture Tool that allows you to capture full screen, selected screen area, windows, webpages and more. You can also add watermarks to your captured screenshot or edit the image using its basic image editor.