Skype

A communications platform for voice and video calls and sending instant messages that was retired on May 5, 2025 in favor of Microsoft Teams.

Microsoft Invest

A demand-side ad management platform created after Microsoft's acquisition of Xandr to facilitate programmatic media buying.

YUI

A legacy, open-source JavaScript and CSS library for building interactive web applications with a focus on modular architecture and cross-browser consistency.

qTranslate-X

A discontinued WordPress plugin used for managing dynamic multilingual content on websites.

Google Webmaster Tools

The old Google Webmaster Tools, detected by the meta name "verify-v1", which have been deprecated in favor of Google Search Console.

Hypernova

A legacy open-source service from Airbnb that renders JavaScript views on the server to deliver HTML for better page load and search engine indexing.

Cufon

A discontinued JavaScript library that performs text replacement on web pages, using the canvas element and VML to render fancy fonts.

iScroll

A high-performance JavaScript library for smooth scrolling.

Turbolinks

A JavaScript library that allows web apps to behave like a single page application.

Alexa

A web traffic analysis service from Amazon that was discontinued in 2022.

RawGit

A public CDN for serving files from raw.githubusercontent.com with the correct content types.

Microsoft FrontPage

A WYSIWYG HTML editor and website administration tool that was part of Microsoft Office until it was discontinued in 2003.

Wirecard

An insolvent German payment processor and financial services provider whose executives have been arrested.

Salesforce Chat

A legacy live chat solution from Salesforce that was retired in February 2026.

Prerender

A deprecated browser hint that instructed web browsers to preload and render a web page in the background before navigation occurred.

Oribi

An all-in-one marketing analytics solution acquired by LinkedIn.

Adobe Muse

A discontinued desktop application for designing web pages with intuitive, visual tools.

Prefix-free

A legacy script that adds browser prefixes to CSS code when needed for old browsers.

Oracle Moat

A measurement and marketing analytics suite designed to measure media performance across digital and TV advertising campaigns.

Google +1 Button

The sharing button code for the discontinued Google +1 service.

Critters

A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest.

A lightbox library for photos and videos, last released in 2014.

A location-based social networking app that allowed users to discover and review local businesses and attractions.

ES6 Shim

Provides compatibility shims so that legacy JavaScript engines behave as closely as possible to ECMAScript 6.

J2Store

An open-source e-commerce extension for Joomla that is no longer maintained.