Here you will find a rather comprehensive and current collection of WikiEngines:
http://wikiindex.org/Category:Wiki_Engine
Somebody thought that is a table that may be useful comparing
regarding the following aspects:
- Database
- Programming Language
- Categorization
- Groups
- Versioning
- Latex Formulas
- Tables
- Inlined HTML
- Email Notification
- Comments
- Permissions
- Performance
- Extensibility
- Unicode Support
- Right to left support
- Search
- Spam protection
- Usability
- Installation
- Server options
- Configuration
- Maintenance
The page referenced at the top is a review of many wikis, not just this one, many wikis allow tables, thus the presntation following it.
For example if you look at the results of the following search you will find mention of table use in several wikis:
CategoryWiki