Promomatic - Easily create beautiful app store assets
Screenshot Tracker - Capture and keep track of full-sized web page screenshots
AppLaunchpad - Create free beautiful screenshots for App store/Google play
Full Page Screen Capture - I built a Chrome Extension that allows you to save a screenshot of an entire webpage as an image
App Screenshot Maker - Design marketing screenshots for your app in minutes
Screenstab - A tool to turn ordinary screenshots into beautiful image assets