Question2Answer – Question and Answer Website Platform

Question2Answer is a free platform for Question and Answer sites.

Features:

* Five minutes (or less!) to install.
* Easy styling with CSS themes.
* Fast integrated search engine.
* Points-based reputation management.
* Question tagging (with auto completion).
* Comments on questions and answers.
* Simple and secure admin interface.
* PHP/MySQL scalable to 1,000,000+ users.
* Built-in user account management, or…
* Single sign-on for existing sites.

Requirements:

* PHP 4.3 or later, including PHP 5.
* MySQL 4.1 or later, including MySQL 5.