Question2Answer has powerful features if you need them.

This section explains the many ways in which Q2A can be integrated, optimized and extended:

• Easily integrate Q2A with your WordPress 3.x site and user database.
• Integrate with other user databases using single sign-on (requires PHP programming).
• Ensure Q2A is running with maximum speed or security.
• Translate Q2A into another language using a text editor or customize selected URLs or phrases.
• Create your own visual themes using CSS. You may also make changes to the HTML using advanced themes.
• Access Q2A from external PHP code. See also a list of useful functions in Q2A.
• Develop a plugin for Q2A. Plugins can include modules, layers and/or overrides.