Here you can find both an Oberon V4 system for Linux as well as a collection of sources for various other platforms.
ETH Zurich implemented Oberon V4 for several platforms. Binaries can be found on their server and on the one of the University of Linz where Mössenböck's group did further development.
More Information can be found in the wiki https://sourceforge.net/p/oberon/wiki/Home/ of this Project.
In 2013 they were moved here for easy access and, in case of interest, collaboration on further development.
The Oberon mailing list is an established channel for its discussion and followed also by the administrators of this SF project.
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