thumb|Screenshot from 2007 of [[Horde (software)|Horde, a groupware and open-source web application]]

A web application (or web app) is application software that is created with web technologies and runs via a web browser.

  • HTML5 Draft recommendation, changes to HTML and related APIs to ease authoring of web-based applications.
  • Web Applications Working Group at the World Wide Web Consortium (W3C)
  • PWAs on Web.dev by Google Developers.