HTML5

The HTML5 specification introduced the video element for the purpose of playing videos, partially replacing the object element.

Wakanda (a.k.a "Wakanda App Factory") is a W-RAD (Web Rapid Application Development) as well as M-RAD (Mobile Rapid Application Development), designed for creating multi-channel applications for mobile, web and desktop.

Adobe Wallaby is an application that turns FLA files into HTML5.

HTML5test is a web application for evaluating a web browser's accuracy in implementing the web standards HTML5 and Web SQL Database (developed by the World Wide Web Consortium), as well as the WebGL standard (developed by the Mozilla Foundation and the Khronos Group).

The following tables compare support of HTML5 differences from HTML for a number of layout engines.

Media Source Extensions (MSE) is a W3C specification that allows JavaScript to send byte streams to media codecs within web browsers that support HTML5 video.

Ionic is a complete open-source SDK for hybrid mobile app development.

Monaca is a software tools and services solution for building and deploying HTML5 mobile hybrid apps.

WebVR is an experimental Javascript API that provides support for virtual reality devices, such as the HTC Vive, Oculus Rift or Google Cardboard, in a web browser.

DOKY (Operating System Web 3.0) is a Linux-based operating system based on the idea of cloud computing; DOKY leans heavily on on-line applications built with html5 without the use of local hardware and software.

Maqetta is a free and open-source, web-based WYSIWYG HTML editor designed to edit HTML5 documents and web applications.

Sencha Touch is a user interface (UI) JavaScript library, or web framework, specifically built for the Mobile Web.

HTML5 can be used as an alternative to Adobe Flash.

LungoJS is a framework powered by HTML5, CSS3 and JavaScript for creating mobile web apps.

Construct is an HTML5-based 2D game editor, developed by Scirra Ltd.