The free MediaWiki software is best known for powering Wikipedia, but you don't have to be writing an encyclopedia to put it to good use. Extend, skin, and customize MediaWiki to create any kind of ...

I thoroughly loved the story about how to learn a random fact at Wikipedia by using the Special:Random function. It turns out that this works for sites that run the MediaWiki software in general.

I was first introduced to the idea of a wiki many years ago. A colleague at work told me about a Web site that invited readers to become writers and editors. Over time, he said, a wiki would grow to ...