Trillian may refer to: *

Trillian (character) Tricia Marie McMillan, also known as Trillian Astra, is a fictional character from Douglas Adams' series ''The Hitchhiker's Guide to the Galaxy''. She is most commonly referred to simply as "Trillian", a modification of her birth name, which she ...

, a fictional character in ''The Hitchhiker's Guide to the Galaxy'' *

Trillian (software) Trillian is a proprietary multiprotocol instant messaging application created by Cerulean Studios. It is currently available for Microsoft Windows, Mac OS X, Linux, Android, iOS, BlackBerry OS, and the Web. It can connect to multiple IM service ...

, an instant messaging application *

Project Trillian Itanium ( ) is a discontinued family of 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64). Launched in June 2001, Intel marketed the processors for enterprise servers and high-performance computin ...

, an effort to port the Linux kernel to the Itanium processor

See also