Nimbus Screenshot - Take screenshots and record video from your screen
Evernote Web Clipper - Clip, don't bookmark. Web Clipper is a browser extension that lets you save any web page, article, or image into Evernote. Download now.
ksnip - Ksnip is a Qt based cross-platform screenshot tool that provides many annotation features for your screenshots. - DamirPorobic/ksnip
FireShot - Capture web page screenshots in Firefox, Chrome, or IE, and then edit and save them.
Firefox Screenshots - Take, save & share screenshots without leaving Firefox
Handy Screenshot - An easy tool for taking screenshots (full screen / visible part / selected by yourself)