What is the most impressive web app you've ever seen?

My favorite has to be Google Earth. Every time I open it I'm blown away by how such an awesome app can work in the browser.

Comments 3

  • Do Electron apps count? I am amazed by editors like Atom and Visual Studio Code. They are packed with so many features and you basically can't tell them apart from native apps.

  • Whatsapp web is the most impressive web based app I have ever seen.

  • for me it is google adwords, webmasterttools and analytics (and all the other products) because of all the connections and massive amount of data. its very impressive...