TabPanelWidget is a Semantic, Accessible, Responsive, and Versatile solution to create Tabpanel and Accordion Widgets for the Web.

Vanilla Javascript accordion - tiny and simple.

An Accordion Widget for the Qt application framework

A lightweight, customizable, and cross-browser jQuery accordion plugin - 3KB minified (1.3KB gzipped) with easy configuration options

Smart Accordion Custom Element | Web Components | HTML Elements | Javascript UI

Collapsible Accordion Section that can be added to a page & easily populated with SharePoint List data based on List selected by user. Ideal for creating FAQs.

jQuery UI plugin for Accordion Widget that allows open several panels at the same time.

A jQueryUI Accordion Widget Web Part that displays collapsible content panels for presenting SharePoint List information in a limited amount of space.

Front-end accordion widget using max-height

A collapsible widget for React

Collapsible Accordion Section designed to be added to SharePoint page using a CEWP (Content Editor Web Part) in order to display list data in accordion format

Accordion Widget for WordPress

Accordion widget for Qt

In this website you can see how easy is to start learning Sass and install it. The concepts of this pre-processor are all presented in a beautiful accordion made with Javascript.