List of simple extensions

Developers, especially beginning developers, may wish to peruse the list of simple extensions when considering how to create a new extension. Some of the code from these extensions can provide insight into how to approach an implementation task, or even be cannibalized for your purposes.

Simple special page extensions
Manual:Special_pages provides an example of a four-file Special Page extension called  that outputs "Hello world!" Don't forget the standard collection of special pages in includes/specials, the functionality of some of which you may already be familiar with.

Simple hook extensions

 * Extension:RemoveRedlinks uses the LinkBegin hook to turn all red links into regular text.
 * Extension:BreadCrumbs (Kimon), which uses UserToggles, provides a good example of how to incorporate CSS files into your extensions.