Joris van Montfort

Adds a simple collapsible block to the Gutenberg editor. Perfect for hiding long text behind a toggle.
<ul>
<li>Fully compatible with the block editor (Gutenberg)</li>
<li>Customizable button labels</li>
<li>Supports multiple blocks per page</li>
<li>Translatable and lightweight</li>
</ul>
This plugin is ideal for bloggers, content creators, and developers who want to keep their pages clean and readable.

JVM Read More Block

A lightweight Gutenberg block that lets you toggle extra content with "Read more" and "Read less" buttons. No CSS markup is added.

adamschoenemann

Usage
Simply install and then find the widget in Appearance->Widgets

Collapsible Pages Widget

Wordpress plugin that provides a widget that lists pages in a collapsible list

JVM Read More Block vs Collapsible Pages Widget