For ruby on rails we have a great script like shapadoo, but there was a need for a nice free script in php mysql. But question2answer seems ok when we look to the demo. The user rating system is also there to add user reputation so that they get inspired to answer unanswered questions.
Features:
User registration is required for posting questions
Free and editable source codes
Easy to change templates
Ability to follow question updates
email notifications and RSS updates
Search engine to search content of the site
Tags based questions like stackoverflow
Features:
User registration is required for posting questions
Free and editable source codes
Easy to change templates
Ability to follow question updates
email notifications and RSS updates
Search engine to search content of the site
Tags based questions like stackoverflow
