Programs that allow you to make free telephone calls to other PCs, telephones or mobile phones anywhere in the world. Some of these programs are free even if they allow the purchase of packages or accessories to better handle phone calls.

  1. Gizmo:
  2. Ineen:
  3. Skype: Skype allows free calls via your PC!
  4. OpenWengo:
  5. VoipDiscount Free Calls and SMS