Critters

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

Closure Library

A low-level JavaScript library designed for building complex and scalable web applications.

Turbolinks

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

Google +1 Button

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

Google Sign-In

A deprecated JavaScript library that has been superseded by Google Identity Services for Web.

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

Salesforce Chat

A live chat solution from Salesforce that is currently in maintenance-only mode and is scheduled to be retired in February 2026.

Adobe GoLive

A WYSIWYG HTML editor that was discontinued in 2008.

iWeb

A WYSIWYG template-based website building tool that had been released by Apple Inc.

Audience Studio

A data management platform that was retired in February 2024.

Stacktable.js

jQuery plugin for stacking tables on small screens.

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.

Alexa

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

Oracle Moat

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

Cloudflare Apps

A deprecated service that allowed the installation of third-party scripts/plugins on a website with a single click.

qTranslate-X

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

Giropay

A German payment method based on online banking that was discontinued on December 31, 2024.

Google Code Archive

Google Code was a code hosting service for open source projects.

Prefix-free

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

HeadJS

A JavaScript loader that loads scripts in parallel, but executes them in order.

Material Design Lite

A legacy user interface framework that implements Material Design components using plain CSS, JavaScript, and HTML without external dependencies.

iScroll

A high-performance JavaScript library for smooth scrolling.

City Guide was a location-based social networking app that allowed users to discover and review local businesses and attractions.

Google Podcasts

A podcasting directory that was shut down in mid-2024 with the migration to YouTube Music.

MSHTML

An editor based on the MSHTML component of the discontinued Internet Explorer browser.