A couple days ago, ZDnet published an interesting (to me) overview of WikiMedia and the many projects the underlying tools have spawned. if you're new to wikis -- and what they can do for your nonpropfit org -- this painless aerial tour isn't a bad place to begin. The following is from Wiki news: Of the people, by the people...
The popularity and proliferation of wikis are particularly significant in an age of increasing distrust of mainstream media. In many ways, wikis are emblematic of the democratizing principles of the Information Age that seek to give voice to ordinary citizens.
"With the distributed nature of the Internet, you now have the ability for people with common interests to rapidly aggregate themselves and apply their nearly unbounded knowledge of different subjects into cohesive organization in a matter of hours," said Rob Kline a product manager for Marchex who helped create the KatrinaHelp.info wiki. "Because it's distributed, it's global, so when I have to go to sleep, someone else can pick it up and keep working on it."
Wikis began in various forms, but it was the online encyclopedia known as Wikipedia that propelled the concept into the popular consciousness. Wikipedia and Wikinews were created by the same nonprofit organization, Wikimedia Foundation, and are available free of charge.