Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
ICQ
Free
ICQ is an open source instant messaging software.
Pidgin
Open Source
Pidgin is a free and open-source chat client which supports AIM, Google Talk, ICQ, XMPP protocols.
Empathy
Open Source
Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication ov…
Rambox
Open Source
Rambox is a free and Open Source messaging and emailing app that combines common web applications into one.
