The Joomla! extensions I have created and was patient enough to make a proper release, are here on this page.
If you don't know what Joomla! is, in a nutshell, it is a php-based application framework and a Content Management System (CMS) for developing web sites. You may want to check out the official Joomla! site for more information.
Spoiler plugin
This very simple plugin lets you to include a "spoiler" block of text into any Joomla article. The "spoiler" can show or hide with a mouse click on the spoiler's header, as shown in the example below. Follow this link to learn more and to download the plugin Joomla! package.
spoiler alert! - click me to see the spoiler
click to hide text
Spoiler text goes here
spoilers can be nested
click to hide text
Nested spoiler text goes here