Web software

Acid2 is a webpage that tests web browsers' functionality in displaying aspects of HTML markup, CSS 2.1 styling, PNG images, and data URIs. The test page was released on 13 April 2005 by the Web Standards Project. The Acid2 test page will be displayed correctly in any application that follows the World Wide Web Consortium and Internet Engineering Task Force specifications for these technologies. These specifications are known as web standards because they describe how technologies used on the web are expected to function.

The Acid3 test is a web test page from the Web Standards Project that checks a web browser's compliance with elements of various web standards, particularly the Document Object Model (DOM) and JavaScript.

250px|thumb|right|Example of a failed Acid1 test 250px|thumb|right|Easter egg (media)|Easter egg in Internet Explorer 5 for Mac Acid1, originally called the Box Acid Test, is a test page for web browsers. It was developed in October 1998 and was important in establishing baseline interoperability between early web browsers, especially for the Cascading Style Sheets 1.0 specification. As with acid tests for gold which produce a quick and obvious assessment of the quality of a piece of metal, the web acid tests were designed to produce a clear indication of a browser's compliance to web standard

Feedly is a freemium news aggregator application for web browsers and mobile devices running Android and iOS. It is also available as a cloud-based service. It compiles news feeds from a variety of online sources for the user to customize and share with others. Feedly was first released by DevHD in 2008.

web page hit count indicator

Voat Inc (; styled VOΛT) was an American alt-tech news aggregator and social networking service where registered community members could submit content such as text posts and direct links. Registered users could then vote on these submissions. Content entries were organized by areas of interest called "subverses". The website was widely described as a Reddit clone and a hub for the alt-right. Voat CEO Justin Chastain made an announcement on December 22, 2020 that Voat would shut down. The site was shut down on December 25, 2020.

HTML5test.com is a discontinued web app for evaluating a web browser's implementation some of common web standards, including HTML5, Web SQL Database, Scalable Vector Graphics (SVG), and WebGL.

Inoreader is a web-based content and RSS feed reader, a cloud-based service for web browsers and mobile devices running iOS and Android. It compiles news feeds from online sources for the user in unified layout to customize and share with others. Inoreader was first released by Innologica in 2013.

PlayCanvas is an open-source 3D game engine/interactive 3D application engine alongside a proprietary cloud-hosted creation platform that allows for simultaneous editing from multiple computers via a browser-based interface. It runs in modern browsers that support WebGL, including Mozilla Firefox and Google Chrome. The engine is capable of rigid-body physics simulation, handling three-dimensional audio and 3D animations.

news aggregator