i11Chat (was XustoChat) lets you use WhatsApp Web and Facebook Messenger on your OS X Desktop. It takes advantage of WhatsApp and Facebook, integrating them in a standalone all-in-one application.
* Disclaimer: i11Chat is a third-party app, and it requires a WhatsApp Web-compatible device. The developer of this software is not sponsored by or affiliated with WhatsApp, Inc., or Facebook, Inc., in any way.
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