create facebook and twitter login for my social community website

I have an online community and I want users to be able to do the following

sign in with their facebook/twitter accounts and automatically invite their facebook and twitter contacts.

I want the activity feed on the community to show up on my shows main website.

The community website is [login to view URL] and my show's main website is [login to view URL]

Pemrograman C Teknik Perancangan Perangkat Lunak Desain Situs Web Manajemen Situs Web

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