FaceTime for Mac makes it easy to talk, smile and laugh with friends and family on their iPhone 4, iPad 2, iPod touch or Mac.
Say “hello” with an instant message, voice or video call – all for free.
iMessage lets you send messages to anyone on a Mac, or an iPhone, iPad, or iPod touch running iOS 5.
Send messages, have group chats, and share pictures using the Whatsapp services.
Connect and collaborate with anyone from anywhere.