Looking to develop a web based calendar application. The objective of this application is to sync various calendars - outlook, google, yahoo, iphone, blackbery calendars in one place.
1. Web Based application with calendar functionality
2. Outlook plugin to sync with web application automatically on a periodical basis
3. Google and yahoo API to sync the calender with web application
4. Iphone and backberry apps.
Let me know what is involved to develop this, time frame and costs