Pidgin - Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.
Time Buddy - Time Buddy brings a colorful world clock.
Trillian - Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.
Time Zones Converter - Time Zones Converter is an application which as the name implies, is used for converting time zones.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
World Clock - World Clock is an app that lets you see the time of any city in the world.