Repository
You will find the URL for the Eiffel Software's repository at the URLs list. It contains the latest development version of EiffelStudio and of the Eiffel Software libraries.
Note
The SVN repository also contains the 5.4, 5.5 and 5.6 release of the EiffelStudio environment. Those version can only be compiled with an EiffelStudio 5.4, 5.5 and 5.6 release.