"The initial release is binary only, and under the terms of the
Qt preview license, but the final release will be released with
source code under a GPL compatible license. The initial release is
available for Linux, Mac OS X and MS Windows.
"The Greenhouse project began as a research project within
Trolltech. We are told that the design is entirely plugin based,
suggesting that ultimately we will have the ability to add support
for new languages, debuggers etc. The documentation suggests a
plugin for the CMake build system used by KDE is in the works. At
the moment things are a little too bare for the benefits of this
approach to be readily apparent, but it is a sensible approach to
take when developing an IDE."