[6] Fantom uses a curly brace syntax, supports functional programming through closures and concurrency through the Actor model, and blends aspects of both static and dynamic typing.

In November 2009,[7] the name of the project was officially changed from Fan to Fantom due to searchability concerns raised by its community.

[8] Fantom is open source under Academic Free License 3.0 and is available for Windows and Unix-like platforms (including Mac OS X).

The JavaScript implementation is backed by the canvas element and JavaFX, allowing FWT applications to be run in a web browser.

Escape the Mainframe is a browser game (just like the Google t-rex dinosaur) completely written in Fantom by Steve Eynon.