ProfiWiki
Wolfgang Fahl
Professional Wiki for your Enterprise
ProfiWiki is based on 
Why use the original MediaWiki?[edit]
- there are some 2.500 Extensions available
- there are many different skins available
- it is free (as in free beer)
- it is free (as in OpenSource)
- the WikiMedia Foundation keeps maintaining it as the infrastucture for WikiPedia
