BrowseShot - BrowseShot lets you capture a PNG of the full scrollable area of a website.
BrowserStack - BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.
CutyCapt - CutyCapt is a small cross-platform command-line utility to capture WebKit's rendering of a web...
browserling - Live interactive cross-browser testing from your browser.
web-capture - Capture a full web page screenshot online
Browsershots - Browsershots makes screenshots of your web design in different browsers.