Poseidon for UML is written entirely in Java and therefore is platform independent. It runs on almost any modern personal computer. To successfully start and run Poseidon for UML you need the following:
Java Runtime Environment or Java Development Kit. JDK 1.4 or higher is required for Linux, Mac OS X, and Windows Platforms. Poseidon for UML will not run with JDK 1.3 or older.
A computer with reasonable memory and CPU power. For memory, 256 MB is recommended, more is helpful. For CPU, a Pentium III or equivalent is the recommended minimum.
A specific operating system is not required. Poseidon for UML is known to run on Windows 98, 2000, NT, and XP, on Linux SuSe 6.X, 7.X, Red Hat, and MacOS X. It has been predominantly developed and tested on Linux. However, on Windows platforms performance is known to be superior due to a faster Java environment.