Old Version of Trillian 0.721
Selected Version
Trillian 0.721
Supported Systems
Legacy OS support
Windows 95, 98, ME, 2000, XP, Vista, 7, 8
Release Date
30 January, 2002 (17 years ago )

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Trillian 0.721

Trillian 0.721 (2.21 MB)

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System Requirements of Trillian 0.721
  • Windows 98
  • Windows ME
  • Windows 2000
  • Windows XP
  • Windows XP x64
  • Windows Vista
  • Windows Vista x64
Program Information of Trillian 0.721
Version Name:
Trillian 0.721

File Size:
2.21 MB

Released Date:
30 January, 2002 (17 years ago)

MD5 Checksum:

SHA1 Checksum:

Version History of Trillian 0.721
  • AIM: Fixed AIM connection issues
  • AIM: Re-enabled SecureIM
Trillian Screenshots
Trillian 0.721 shows main window, an instant messaging application for Windows that can connect to multiple IM programs. More
The following preferences dialogs allow you to customize many aspects of Trillian 0.721 version, but they're turned on by default. More
Screen shot shows about Trillian 0.721 version created by Cerulean Studios. More
About Trillian

Trillian is a multi protocol instant messaging application for Windows created by Cerulean Studios that can connect to multiple IM programs from one client, such as AIM, ICQ, MSN Messenger, Yahoo! Messenger, IRC, Novell GroupWise Messenger, Bonjour, and Jabber and Skype networks (the latter four with Trillian Pro which allows for additional plug-ins).

Initially released July 1, 2000 as a freeware IRC client, the first commercial version (Trillian Pro 1.0) was published on September 10, 2002. Trillian's creators have promised to continue to support and maintain a free version of Trillian, and it will remain a closed-source application.

Trillian Features:

  • Trillian connects to multiple instant messaging services without the need of running multiple clients
  • Trillian Basic and Pro both come with Activity History, and both log the history as both plain text files and as XML-files.
  • Trillian Pro also has the so-called Time Travel feature, allowing the user to record, and subsequently review, pause, rewind and fast forward live video and audio sessions.
  • Trillian has its own unique skinning engine known as SkinXML. Many skins have been developed for Trillian
  • Trillian is a closed-source application, but the Pro version can be extended by plugins.
  • Users can purchase Trillian for $25. Extending "membership" to download a major release upgrade is an additional $5.

Updates : Trillian Updates

Did You Know?

The first ever public release of Trillian, version 0.50, was available on July 1, 2000.