Community web portal

I require an on-line community portal and bulletin board. Features include: * Ability for people to post non-commercial messages * Ability for people to post advertisements, for a fee (with hooks to credit-card processor like [login to view URL]) * Ability to add articles * Section where RSS feeds for outside news can be added * Scrolling news section (also possibly from RSS) * Community calendar that can be edited and printed * Registration for users, letting them choose usernames/passwords * Permission-based system so people with correct privileges can edit various sections, or post to certain section * Ability to age out old postings (deleting them if they are older than X number of days) No strong preference here on platform, some preference for being written in a way that is it portable among different platforms. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Any, prefered to be portable