Download Skype 2.8 for Mac OS x and software for Free Skype-to-Skype calls.
Free instant messaging, Free video calls, Call phones and mobiles, send SMS,
Voicemail, Forward calls to a phone when you’re offline.
Skype-to-Skype calls, video calls and instant messaging are free, any time of the day or night, anywhere in the world.
OS: Mac OS X ( Skype .dmg file)