ExpressionEngine is a commercial content management system, written in PHP. Most ExpressionEngine questions will be better asked on the ExpressionEngine StackExchange, unless they involve development (such as developing extensions in PHP).
ExpressionEngine is a commercial content management system for websites. It is developed and sold by EllisLab and utilizes an open source PHP MVC framework called CodeIgniter (also created by EllisLab).
Most ExpressionEngine questions are better asked on ExpressionEngine StackExchange, unless they involve development (such as developing extensions in PHP).
