I would suggest Joomla and Whisper for this project.
We have read your requirements and understand your needs. I have been doing design, website design, marketing and programming for almost 20 years and have worked/coDaha fazlası
We have already developed this kind of web - application for our US based prestigious client and we have to just convert few more functionality as per your requirement. Kindly note we can do the task with in 17 Daha fazlası