These are cut-and-paste modules that you can use in your addons, submitted by WoWWiki contributors.
Some are provided by specialized addons rather than being copy/pastable.
- LegoBlock - Glue for a modular set of stackable UI components.
- MenuClass - Pseudo-Class. Add/Remove menu items and show the menu when you're ready.
- Category:HOWTOs - must have cut-and-pasteable code snippets