Best Question Answer Script

[Rocker09]

I need a gud question answer script.. It should be advanced.
Some of the open source scripts are buggy and have loads of security flaws.

Looking for Paid scripts too..

Regards
Rocker09

 

[accapella]

Try Yahoo! Good luck!

 

[CholaGirl]

question2answer, Open Source :
Question2Answer - Free Open Source Q&A Software for PHP

osqa, Open Source :
OSQA | The Open Source Q&A System