Completely automated Web Application that allows your website visitors to have fun creating and sending electronic postcards to their family and friends.
Introducing Open Source Social Networking Software
ODude Profile come with many features out of the box.
In addition of private messaging, unlimited photo gallery, point system, Facebook meta tags, Facebook comment, custom user field.
This product is being used by thousands of site.
Super powerful classified or directory system where you can make any type system you wished for.
Eg. Yellow Pages, Product Showcase, Jobs, Member Database. Sites like quikr or craigslist.
Note: if you have knowledge of php code, it can be modified as what you want. Very robust and every section have different layout.