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ISE Eiffel includes EiffelStudio and Envision, proprietary software products of Eiffel Software (a business name of Interactive Software Engineering Inc.).
There is also a free (libre) open source edition of EiffelStudio.
Latest release: 2006-10-25
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
Visual Eiffel is a product of Object Tools GmbH (formerly SIG Computer GmbH), available in open source and proprietary (Enterprise) versions.
Latest release: 2005-06-28
OpenEiffel is an open source compiler derived from Eiffel/S 2.0.
Latest release: 2003-10-14