WikkaWiki

=WikkaWiki= []
 * Software systems / WikkaWiki**


 * WikkaWiki**, sometimes known simply as ‘Wikka’, is a lightweight systems-compliant wiki system written in PHP, using MySQL as its data backend. It is one of several wiki software projects that forked away from **Wakka Wiki** when its two key developers, Hendrik Mans and Carlo Zottman, stopped working on it in 2003. (Another such fork is **WackoWiki** – unfortunately the similarilty between these names is very confusing!)

WikkaWiki can be hosted using a Linux or MS Windows server. It is free of charge and open source, released under the GNU General Public License.

The emphases of WikkaWiki are:
 * Readable source code for ease of development
 * A slim-featured core, with extensibility via plug-ins
 * Easy installation with a web-based wizard
 * Fine-grained access control, with user registration, passwords and user profiles; includes access control lists on a global or per-page basis – you can define who can see, edit and comment on each page.
 * GUI ‘WikkaEdit’ editor; page preview and edit notes; file uploading
 * Pages can be given categories and can be embedded in each other
 * Full revision control; difference-highlighting between any two versions
 * Separate page layout for printing through a specific print-oriented CSS
 * Integrated native support of FreeMind mind-mapping software

Comment
Please add comments below, if you have opinions about or experience of this software system, or can point to interesting examples of its use.

WikkaWiki is multilingual and sites exist in at least 37 languages including Chinese, Korean, Thai and Urdu.