Screenshot Tracker - Capture and keep track of full-sized web page screenshots
Webshot - Free and Open Source screenshot website service
App Screenshot Maker - Design marketing screenshots for your app in minutes
Enpose - The simple screenshot bot
CloudBrowser.co - A supremely flexible and reliable HTTP API that supports professionals and enterprise alike in the...
Full Page Screen Capture - I built a Chrome Extension that allows you to save a screenshot of an entire webpage as an image