What is Firefly?
Firefly is a fully featured softphone with instant messaging and voicemail for Home, Business, Schools or anyone wanting to communicate around the world for free.

What can I do with Firefly?
You can make phone calls to any other Firefly users anywhere in the world. That in itself is a great thing and you also get instant messaging to other Firefly users, as well as your own Voicemail box so people can leave you a message when you are unavailable or not on the Internet.

How much does Firefly cost?
Nothing, it's completely free :)
Virbiage - Firefly Softphone