This site's content was compiled from 1993 to 2006. Beyond that, Google is your friend.
SmartEiffel (formerly SmallEiffel) is a open source research compiler from the SmartEiffel team at the LORIA computer science research lab.
Latest release: 2005-12-19
The Gobo Eiffel Project provides the Eiffel community with free and portable Eiffel tools and libraries.
Latest release: 2005-07-10
A Free Eiffel kernel which is common between ISE Eiffel and the Gobo Eiffel Compiler.
Very comprehensive, but does not appear to include the supporting C code.
Latest release: 2005
OpenEiffel is an open source compiler derived from Eiffel/S 2.0.
Latest release: 2003-10-14
Some utility routines that "should" have been included with kernel classes.
All classes are 'mixins'.
Latest release: 1994-02-26
EiffelBase is a library of fundamental structures and algorithms covering the basics of computing: kernel, data structures, math and persistence.
Latest release: ?