When comparing MediaWiki vs WackoWiki Markup, the Slant community recommends MediaWiki for most people. In the question“What are the best markup languages?” MediaWiki is ranked 8th while WackoWiki Markup is ranked 11th. The most important reason people chose MediaWiki is:
Mediawiki is a widely used wiki engine. It is used to power Wikipedia and thus most people will be more comfortable/accustomed to using MediaWiki.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro The de facto standard
Mediawiki is a widely used wiki engine. It is used to power Wikipedia and thus most people will be more comfortable/accustomed to using MediaWiki.
Pro It has a powerful templating system
Pro Free and open source
Licensed under GPL.
Pro Version control
MediaWiki allows viewing past revisions of pages.
Pro It has a usable WYSIWYG editor
Pro Thanks to Wikipedia it is thoroughly documented
Pro Runs on any PHP server
It requires a webserver running PHP 5.2 or later of any kind.
Pro Great multilingual support
MediaWiki has full support for over 65 languages and partial support for over 300.
Pro Multiple database support
MediaWiki can store data in MySQL, PostgreSQL, Oracle and SQLite databases.
Pro Human-readable
Designed to be easy for a human to enter with a simple text editor, and easy to read in its raw form.
Pro Allows adding custom elements
One can add actions, handlers and fromatters so it's not just about static markup
Pro Supports namespaces
It allows pages to be divided among "directories / namespaces" using forward slashes.
Cons
Con Access control requires an extension
There is no built-in access control, but you can download an extension for ACL.