Project Oberon is a single user operating system developed by Niklaus Wirth and Jurg Gutknecht. The Oberon operating system was originally developed as part of the NS32032-based CERES workstation project.
CERES Oberon V2: Main developers, Niklaus Wirth and Jurg Gutknecht. The sources from the book "Project Oberon".
CERES Oberon V4: Main developers, Niklaus Wirth and Jurg Gutknecht.
DOS Oberon System 3 Release 2.0: Main developer, Andreas R. Distelli.
Native Oberon System 3 Release 2.06 BETA: Main Developer, Pieter J. Muller.