Webshot - Free and Open Source screenshot website service
HTMLCSStoImg.com - No Code Tools to Capture Website Screenshots, convert HTML/CSS Code to Image. Native Integration with Zapier, Make (or Integromat), Pabbly Connect, Airtable
Thum.io - A real-time website screenshot generator
CloudBrowser.co - A supremely flexible and reliable HTTP API that supports professionals and enterprise alike in the...
Scrola - Create scrolling website screenshots, easily
Screenshot Captor - Screenshot Captor is a program for taking screenshots on your computer.