Nimbuzz is the free call and messaging app for the connected generation. Nimbuzz combines the powers of the Internet and mobile communications into one, and lets you meet, share and connect with family and friends on any mobile device.
Meebo is a browser based instant messaging program which supported multiple IM services, including Yahoo! Messenger, Windows Live Messenger, AIM, ICQ, MySpaceIM, Facebook Chat, Google Talk, CafeMom and others
With VOXOX, you can seamlessly switch between calling, texting, chatting, Facebook, fax and more — all in one unified conversation. We call it modality switching. You'll call it staying connected. Download and see for yourself.
Windows Live Messenger is unique for allowing you to share folders and files locally with fellow users. It also serves up the usual animated emoticons, winks, and buzzes, along with multiplayer gaming, free PC-to-PC calling, mobile phone messaging, and video chatting. Plus it adds VoIP capabilities that let you call telephones around the world for a fee. Its one major omission, though, is it lacks the capability to receive inbound calls from landlines or cell phones, a service that competitor Yahoo Messenger with Voice offers.
AIM Pro is the advanced version of AIM. With this IM you can experience high level quality and robust communication. It includes the familiar features of the AIM service, and adds powerful new features for busy professionals.
Qnext is a Java-based P2P client that provides instant messaging, audio chat, video conferencing, music streaming, file transfer and file sharing. It can interact with existing instant messaging networks such as Windows Live Messenger, AIM, Yahoo Messenger and ICQ or used privately. This universal instant messenger keeps you connected to all popular IM's, you can also talk online anywhere around the world for free, host a live video conference or transfer files of any size with complete security. Free download.