Viber is a well-known service for android and iOS users since long to provide audio/video calling, chatting and media sharing among their contacts which is now available for windows, linux, and Mac. It has the following features:

Free calls, text and picture sharing with anyone, anywhere!
• Free text, calling, photo messages and location-sharing with Viber users*
• No registration, alias or invitations required
• Instantly integrates with your own contact list
• Best-quality mobile calls using 3G or Wi-Fi
* Calls use your data plan, but you can also purchase the viber out credit to call directly to landlines and mobiles from your viber in very cheep rates to those users who doesn't have the internet facility.

Here we are uniting all of the clients for viber for all platforms at single place, so you can download or install in whatever device you are using with just one click.