Pidgin Portable is the versatile Pidgin instant messaging client
Sound Evil with Creatures of Darkness Add-On for MorphVOX Voice Changer
BitlBee brings IM (instant messaging) to IRC clients
IMVU: A 3D avatar-based social experience with chat and virtual goods.
Personality Voices add-on for MorphVOX Voice Changer
Stay connected and share information with friends
Provide you with a simple means of getting in touch with your friends
A free lan messenger that does not require a server
Voice chat with your friends online
Collection of minor modifications and additions for iChat.
Send free messages as well as make free calls to other Viber users
Ayttm is an instant messaging (aka chat) client
The Internet Relay Chat Client
Keep in touch with your phone contacts in a broad variety of ways
KakaoTalk: A versatile messaging app for seamless communication and sharing.
Robust, Scalable and Extensible Realtime Server using XMPP, MQTT and SIP
Start multiple Skype sessions
Free Calls and Messages, Talk, chat, send files and share location from any PC
Free Live Help, Live Chat Support Software - Online Chat Centers Product (OCC)
Visualise, Plan and Track your money
Exchange information with coworkers and collaborate on projects
Provides a fully featured and easy-to-use Jabber client
Mumble: High-quality voice chat software for gamers and communities.
Allows you to connect to the Chat.hu system
