Open Source vs. Commercial

Wikis are about open environments and collaboration. No wonder most of the wikis listed at WikiMatrix are Free and Open Source. The „wiki Spirit“ and Open Source seem to be a perfect match.

That this does not mean a lack of professional support can be seen on the next page…

Chart :

All Data:

License	Count
Free and Open Source	95	search for open source wikis
Restricted	18	search for commercial wikis