free im

Raptr

Raptr is an instant messaging app that is aimed at video game players. Created by Dennis Fong, The application has features like game management, in-game overlay and you can also track your game achievements. This Windows application has support for Facebook Chat, Windows Live Messenger, GTalk and other chat programs. With it you can access several applications and import your accounts from Stream, PlayStation or Xbox Live.

Skype – make free calls, IM & video chat online

Skype is a multiplatform software that enables users worldwide to communicate online via voice, video & IM. It's currently the biggest and, in my opinion, the most user-fiendly software of it's kind "responsible for 8% of global international calling minutes, and with its users making 3.1 billion minutes of calls to landlines and mobiles in the third quarter of 2009".