Screenshot Tracker - Capture and keep track of full-sized web page screenshots
Shottr - Shottr is a free macOS screenshot app with scrolling screenshots, OCR, annotation and measurement instruments.
Webshot - Free and Open Source screenshot website service
AppLaunchpad - Create free beautiful screenshots for App store/Google play
Screenstab - A tool to turn ordinary screenshots into beautiful image assets
TakeaScreen - Take & capture screenshots like a Pro!