Legacy technologies are platforms and tools that have been discontinued or shut down and no longer operate. Some are completely defunct, while others remain functional but unsupported.
The following list shows the legacy technologies ranked from 26th to 50th out of 118 currently tracked.
| Rank | Name | Market share |
|---|
| 26 |
 iScroll A high-performance JavaScript library for smooth scrolling. FreeOpen sourceLegacy |
0.7% |
| 27 |
 RawGit A public CDN for serving files from raw.githubusercontent.com with the correct content types. FreeLegacy |
0.6% |
| 28 |
 YUI A legacy, open-source JavaScript and CSS library for building interactive web applications with a focus on modular architecture and cross-browser consistency. FreeOpen sourceLegacy |
0.6% |
| 29 |
 Google +1 Button The sharing button code for the discontinued Google +1 service. Legacy |
0.5% |
| 30 |
 Oribi An all-in-one marketing analytics solution acquired by LinkedIn. Legacy |
0.5% |
| 31 |
 Cufon A discontinued JavaScript library that performs text replacement on web pages, using the canvas element and VML to render fancy fonts. FreeOpen sourceLegacy |
0.5% |
| 32 |
Shadowbox A lightbox library for photos and videos, last released in 2014. FreeOpen sourceLegacy |
0.5% |
| 33 |
 Prerender A deprecated browser hint that instructed web browsers to preload and render a web page in the background before navigation occurred. Legacy |
0.5% |
| 34 |
Critters A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest. FreeOpen sourceLegacy |
0.5% |
| 35 |
Lightbox for Bootstrap A lightbox module for Bootstrap that supports images, YouTube videos and galleries - built around Bootstrap's Modal plugin. FreeOpen sourceLegacy |
0.5% |
| 36 |
 Oracle Moat A measurement and marketing analytics suite designed to measure media performance across digital and TV advertising campaigns. Legacy |
0.4% |
| 37 |
 Google Sign-In A deprecated JavaScript library that has been superseded by Google Identity services for Web. FreeLegacy |
0.4% |
| 38 |
 Salesforce Chat A live chat solution from Salesforce that is currently in maintenance-only mode and is scheduled to be retired in February 2026. Legacy |
0.4% |
| 39 |
 qTranslate-X A discontinued WordPress plugin used for managing dynamic multilingual content on websites. FreeOpen sourceLegacy |
0.4% |
| 40 |
 Prefix-free A legacy script that adds browser prefixes to CSS code when needed for old browsers. FreeOpen sourceLegacy |
0.3% |
| 41 |
 Cloudflare Apps A deprecated service that allowed the installation of third-party scripts/plugins on a website with a single click. Legacy |
0.3% |
| 42 |
Audience Studio A data management platform that was retired in February 2024. Legacy |
0.3% |
| 43 |
 Adobe Muse A discontinued desktop application for designing web pages with intuitive, visual tools. $24.99+/monthLegacy |
0.3% |
| 44 |
 Google Podcasts A podcasting directory that was shut down in mid-2024 with the migration to YouTube Music. Legacy |
0.2% |
| 45 |
 Material Design Lite A legacy user interface framework that implements Material Design components using plain CSS, JavaScript, and HTML without external dependencies. FreeOpen sourceLegacy |
0.2% |
| 46 |
 MSHTML An editor based on the MSHTML component of the discontinued Internet Explorer browser. Legacy |
0.2% |
| 47 |
 StackPath A content delivery network that shut down in March 2024. Legacy |
0.2% |
| 48 |
Spry A deprecated JavaScript framework by Adobe that enables the rapid development of Ajax-powered web pages. FreeOpen sourceLegacy |
0.2% |
| 49 |
Foursquare New York, United StatesCity Guide was a location-based social networking app that allowed users to discover and review local businesses and attractions. Free$$$Legacy |
0.2% |
| 50 |
 Stacktable.js jQuery plugin for stacking tables on small screens. FreeOpen sourceLegacy |
0.2% |
