UDO has originally been developed by Dirk Hagedorn and ist open source since 10/27/2001.
Persons working on the UDO project (in alphabetical ordner):
supporting UDO in Great Britain (until 2001)
compiling the HP-UX 300/400 version (until 2001)
development & documentation (since 2006), maintaining the UDO website & development infrastructure (since 2009)
creator of UDO, development and documentation (until 2001)
development (since 2002)
one of the fathers of UDO
maintaining the UDO website & development infrastructure (until 2008), programming
managing the mailing list (until 1999)
the first registered user of UDO
maintaining the documentation (since 2003)
programming the PostScript support
managing the old mailing list (until ca. 1999)
porting UDO to Mac OS (until ca. 1999)
maintaining the documentation (2001)
compiling the BeOS version (until ca. 2001)
development (TeX)
development (since 2003)
supporting UDO in Sweden (until ca. 2001)