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 sh ...

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

Trillian (software) Trillian is a proprietary software, proprietary Multiprotocol instant messaging application, multiprotocol instant messaging application created by Cerulean Studios. It is currently available for Microsoft Windows, macOS, Linux, Android (operati ...

, 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). The Itanium architecture originated at Hewlett-Packard (HP), and was later jointly developed by HP and I ...

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

See also