BitWise

Batwizz is not an instant messaging program, because it provides advanced features for transferring files with your contacts.

You simply register on the official site and add your contact list with your friends and you will be able to use advanced features which are provided by bitwise.

It provides different features, such as voice conversations, multiconference, upload and download files, website history, icons, lots of skins, ...

BitWalx will only share your files with your users, because your privacy is a priority for Bitwise, it also includes an encryption tool if you want to confirm your data

And all of this is completely free!