Software that can be used as an alternative to Viber:
  • 827 votes

    WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.

    • Freeware
    • Android OS
  • 96 votes

    There are no limits. Call and message as much as you want.

    • Freeware
    • Windows/Mac/Android/iOS
  • 4.5/5
    2 votes

    Experience the free messenger that everyone’s talking about.

    • Freeware
    • Android OS
  • 4.7/5
    3 votes

    One app for all your shats and SMS. Chat with Phonebook, Facebook, GTalk and work contacts. Send free SMS to friends in US, Canada & India. Import Phonebook Contacts.

    • Freeware
    • Windows/Mac/Android