1. Openfire

... instant messaging, XMPP (also called Jabber). Openfire is incredibly easy to setup and administer, but offers rock-solid security and performance. Visit Openfire! ...

2. Miranda IM

Miranda IM is a multi-protocol instant messaging client for Windows. Very light on system resources and extremely fast, Miranda IM requires no installation and can be made to fit on a single floppy ...

3. Pidgin

Pidgin is an instant messaging program for Windows, Linux, BSD, and other Unixes. You can talk to your friends using AIM, ICQ, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise ...

4. Spark

Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for group chat, telephony integration, and strong security. ...

5. Gizmo5

... in the world. (Desktop version only) Two-way Text Messaging Send SMS messages directly from your Gizmo5 account. Visit Gizmo5!  ...

6. Tor

... from learning what sites you visit, and it prevents the sites you visit from learning your physical location. Tor works with many of your existing applications, including web browsers, instant messaging ...

7. Avast Home Edition

... messaging--ICQ, Miranda; Network traffic--intrusion detection, lightweight firewall; P2P protection for Kazaa, BitTorrent; Web shield--monitors and filter all HTTP traffic; NNTP scanner--scans all Usenet ...

8. Zimbra

Zimbra is a client and server platform for next-generation messaging and collaboration. It provides administrators and their end users innovative features that solve the challenges faced by organizations ...

9. Send Me A Video Message via Eyejot or Veeker!

Your message will not be public,  it will be visible only to me in my Eyejot or Veeker account. What's Eyejot? Eyejot is the first, comprehensive, client-free online video messaging platform ...