EiffelStudio
An Eiffel compiler for Unix, Win32, and VMS which supports Java, COM, threads. A product of ESI (Eiffel Software Inc.).
elj-win32
Powerful GNU Eiffel win32 (Win-95/98/NT) distribution. Includes C Compiler, IDE, win32 GUI Libs, Eiffel/C Documentation, and EPAN library archive. (FTP)
Fine
Derived from SmallEiffel, now SmartEiffel, with some added and modified features to improve Eiffel language. Description, links, contact website and email. [Open Source, GPL]
Fine: SourceForge
Project page: description, downloads, CVS, forum, news, contacts, statistics. [Open Source, GPL]
Object Tools
Visual Eiffel, a native code x86 Eiffel compiler with development environment for Windows.
SmallEiffel
Old, original website of what is now SmartEiffel. Of historical interest, with a unique version numbering system using negative decimals. Became official Free Software Foundation GNU Eiffel compiler as of version -0.82.
SmartEiffel
Official Free Software Foundation GNU Eiffel compiler, tools, libraries. Can generate C code or Java bytecode. Was SmallEiffel, changed 6 September 2002. Now has positive version numbers. Basis of Fine. [Open Source, GPL]