i am looking for a powerful admin control panel that is capable of controlling a education freelancer website, for example manage users, student and teachers, projects, bids, escrow payment, arbitration, support tickets, automatically invoice system, add category, add sub category, automatically welcome letter, account activation link when singing up, creating packages for user to add themselves, advertisement system, buyer and coder rate, ip and email block user system, paypal payment method or any other, mass emails to all users, and if there is other control features would be helpful as well, please show me demo version of the admin panel as well, it also must be commercial script.
## Deliverables
my hosting server is compatible will all application, php, mySQl, apache, linux, etc..