ICQ is an online community providing messaging service. It is a personal communication tool that allows users to meet and interact through instant messaging services such as text, voice, video and VoIP as well as various entertainment and community products. ICQ is the solution for a personal communication tool or to target campaigns to a young and captive audience,


ICQ was established in June 1996 under the name Mirabilis(an israeli company) and was owned by Time Warner's AOL subsidiary on june8,1998.The founders were - Yair Goldfinger, Arik Vardi, Sefi Vigiser and Amnon Amir.The name ICQ is an initialism on the phrase "I seek you". ICQ users are identified by numbers called UIN(Universal Internet Number or Unified Identification Number), distributed in sequential order.


ICQ features include sending text messages, offline support, multi-user chats, free daily-limited SMS sending, resumable file transfers, greeting cards, multiplayer games and a searchable user directory.

ICQ6 ,launched on April 4, 2007, offered a single communication platform that combines the various user options:IM services,free SMS from ICQ to mobile, voice and video communication,Quick IM, which allows users to send a short message without opening a conversation window, a “follow me” service directly to the user’s mobile, a multi-chat service and Zlango support, the animated icons language.

Additional Products

Trillian is a proprietary multiprotocol fully featured chat client that supports multiple IM services such as AIM, ICQ, MSN, Yahoo Messenger, and IRC Novell GroupWise Messenger, Bonjour, Jabber, and Skype networks (the latter four with Trillian Pro which allows for additional plugins).It is an application for Windows created by Cerulean Studios.Initially it was released on July 1, 2000, as a freeware IRC client but the first commercial version (Trillian Pro 1.0) was published on September 10, 2002. The program was named after Trillian, a fictional character in The Hitchhiker's Guide to the Galaxy by Douglas Adams.


Trillian connects to multiple instant messaging services.Users can create multiple connections to the same service, and can also group connections under separate identities.Trillian represents each service with a different-colored sphere.To eliminate duplicates and simplify the structure of the contact list, users of Trillian Pro can bundle multiple contacts of the same person into one entry in the contact list, using the Metacontact feature. Subcontacts will appear under the metacontact as small icons aligned in a manner of a tree.

It also supports standard features such as audio chat, file transfers, group chats, chat rooms, buddy icons, skins and interface,server-side contact importing, typing notification, direct connection (AIM), proxy support, encrypted messaging (AIM/ICQ), SMS support,plugins and privacy settings.,

Trillian provides unique functionality such as contact message history, a powerful skinning language, tabbed messaging, global status changes (set all networks away at once), Instant Lookup (automatic Wikipedia integration), contact alerts, an advanced automation system to trigger events based on anything happening in the client, docking, hundreds of emoticons, emotisounds, shell extensions for file transfers, and systray notifications.

Trillian Pro also has a time traveling feature, which allows the user to record, and subsequently review, pause, rewind, and fast forward live video and audio sessions.It also has Emotiblips which are the video equivalent of an emoticon. During video sessions, the user may stream a song or video to the other user in real time. One can send MP3s, WAVs, WMVs, and MPGs with this feature. QuickTime MOV files as Emotiblips are not currently supported.

Lastest Product:

There are currently two types of Trillian available, the original and free Trillian Basic 3 and the commercial Trillian Pro 3. An upcoming product called Trillian Astra (4.0) has been announced and is currently in alpha testing.

Comparison chart

ICQ versus Trillian comparison chart
Edit this comparison chartICQTrillian
  • current rating is 2.38/5
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  • current rating is 3.05/5
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(22 ratings)
Author/Creator: Mirabilis (AOL) Cerulean Studios
Latest version available: 6 (May 20, 2008)
Operating systems supported: Windows, Windows mobile, Blackberry. Windows
Operating systems not supported: Mac OS X,Linux,Unix,BSD Mac OS X,Linux,Unix,BSD
Encryption: No Yes
Protocols: Single protocol Multi-protocol
Toolkits or SDKs: W32 W32
Built-in games: Yes No
File transfer: Yes Yes
Dockable: Yes Yes
Third party addons: Yes Yes
Unicode (UTF-8): Yes Partial
Web cam Support: Yes No
Offline messaging: Yes Yes
Themes/skins: Yes Yes
Message Logging: Yes Yes
Emoticons: Yes Yes
Cost: Free Ad-supported Free
Licence: Clickwrap licence Clickwrap licence
Plugin system: Yes No
Multi-account support: Yes Yes
Spellcheck: Yes Yes
Handwriting mode: Yes Yes
number of protocol: 2 5
Compatible : AIM,ICQ AIM,ICQ,Yahoo messanger,Windows Live messenger,IRC
Non compatible: GTalk,Bonjour,Novell GroupWise Messenger,Lotus Sametime,Gadu-Gadu,QQ,OTR,Yahoo messanger,Windows Live messenger,IRC GTalk,Bonjour,Novell GroupWise Messenger,Lotus Sametime,Gadu-Gadu,QQ,OTR

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