Video Chat App all platforms?

[imac abuser]

Hello,
I'm looking for an all around video chat app free that you can use on a mac or pc desktop. As well as iPhone, iPad, and Android phones. Basically one app to rule them all.

Any input please

 

[TinyTears]

Skype surely?

 

[sotorious]

fringe and i think fringe just came out with multi chat.

 

[Shellyshell]

second vote for fringe