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Trillian is modern instant messaging for home and work that prioritizes chat interoperability and security.

Themes, an awesome activity history viewer, and all the rest of Trillian’s great features will now be available to everyone! This is an exciting step forward and means our users will always experience the best products we have to offer. To continue to reward our amazing paying customers, Trillian Pro will carry on as a way to contribute to our development efforts directly, hide ads across all versions, and unlock the ability to store your chat history online. We hope you’re as excited as we are and will continue to support Trillian and spread the word!

Chat every where at home, at work, or in your pocket, Trillian redefines seamless conversation.

Your conversations come with you.
Start a chat on your iPad at the breakfast table. Continue chatting on your phone as you take the train to work. Wrap things up when you sit down in front of your desktop. Trillian automatically keeps all of

You can chat with contacts on different networks.
Trillian has great support for many different chat networks, including Facebook, Skype, Google, MSN, AIM, ICQ, XMPP, Yahoo!, and more. We're also working harder than ever before to adopt open standards and open communication and are committed to documenting Trillian's internal protocols. your devices synchronized throughout the day, ensuring you're always able to access conversation wherever you are.

Interoperable
Friends in different places? Trillian has you covered with diverse chat service support.

Keep chatting
Start a chat on the desktop. Stand up and continue chatting on your phone - magic!

Social portal
Use Trillian to update Facebook, Twitter, LinkedIn, and Foursquare at the same time.

Simple and fast
Trillian focuses on speed and a low memory footprint, and is always built using technology native to the operating system.

Broad support for devices
Between desktops, mobile phones, tablets, and the web, easily take Trillian with you everywhere you go!

100% homegrown
Built with pride by the same small team for over 10 years, our mission is to connect the world through chat.

Keep in touch with friends and contacts on every major IM and social network.

Designed for Windows 7
Trillian for Windows' clean and pleasant user interface has been carefully designed to smoothly integrate with Windows 7.

Synchronized chat history
Never miss a message again. Trillian's chat history can be automatically shared between desktops and phones!

Streamlined social news feeds
Trillian 5's Facebook, Twitter and LinkedIn support is fast, uniform and integrated.

Comprehensive.
More feeds, like Facebook events and Twitter searches.

Flexible.
Store feeds in your contact list or system tray.

Quick.
Instant updates are just one click away.

Interactive.
Like and comment directly within Trillian.

Detailed.
Links and pictures are expanded for you.

Foursquare with GPS support
Our newly-supported Foursquare plugin lets you meet up with new friends and discover new places!

A truly compact interface
Stuck on a netbook with a tiny screen? No problem. Switching between our full and compact user interfaces is only a click away.