The following tools are used for Facsimile development and testing. If you intend to contribute to the Facsimile project, or build custom versions of Facsimile, then you will need to familiarize yourself with some or all of these tools.
Cobertura Java test suite code-coverage analysis tool.
Eclipse open development platform.
FindBugs a tool using static analysis to find bugs in Java code.
Hudson continuous integration system.
Java Development Kit.
Java 3D graphics library.
JUnit Java unit-testing framework.
Maven software management & comprehension tool.
Subversion version control system.
All these tools are supported on multiple development platforms and are available to download for free.