BACKUPNINJA was written by the Riseup Collective: intellectual property is theft.

Ninjas: 

elijah@riseup.net  -- original code, bug fixes, man pages
micah@riseup.net   -- debian package, vserver support, bug fixes
stefani@riseup.net -- makecd handler, man pages
intrigeri@boum.org -- dup handler, pgsql handler, vserver support, bug fixes
Charles Lepple 	   -- trac handler
Petr Klíma <petr.klima@madeta-group.cz>	-- autotools, RPM support and sys checks
paulv@bikkel.org   -- rsnap handler
Robert Napier 	   -- improved RPM build
rhatto 		   -- rub handler and patches

Patches: 

cmccallum@thecsl.org
Daniel.Bonniot@inria.fr -- mysql ignores and nodata
Brad Fritz <brad@fritzfam.com> -- trac patch
garcondumonde@riseup.net
Martin Krafft madduck@debian.org -- admingroup patch
Anarcat -- lotsa patches
Jamie McClelland -- cstream patches
ale -- ldap cleanup, rdiff support for reading include/exclude from files
Sami Haahtinen <ressu@ressukka.net>
Matthew Palmer -- mysql enhancements
romain.tartiere@healthgrid.org -- ldap fixes
Adam Monsen - spec file updates
Matthew Palmer <mpalmer@debian.org> -- halt loglevel feature
dan@garthwaite.org -- reportspace bugfix
Tuomas Jormola <tj@solitudo.net> -- "when = manual" option
Ian Beckwith <ianb@erislabs.net> -- dup bandwidthlimit fix, dup helper fix
Olivier Berger <oberger@ouvaton.org> -- numerous contributions
stefan <s.freudenberg@jpberlin.de> -- dup support for Amazon S3 buckets
maniacmartin <martin@maniacmartin.com> -- rdiff confusing error message fix
Chris Nolan <chris@cenolan.com> -- maildir subdirectory expansion
Dan Carley -- mysql bugfix
Jordi Mallach <jordi@debian.org> -- do not error when no jobs are configured
Jacob Anawalt <jlanawalt@gmail.com> -- pg_dump format option
Sergio Talens-Oliag <sto@debian.org> -- pipefail fixes
Bruno Bigras <bigras.bruno@gmail.com> -- enable tar handler in the build system
aihtdikh -- Allow 'when = XXX' with spaces in .sh files.
Chris Lamb <lamby@debian.org> -- rdiff.helper bugfix
Yuval Kogman <nothingmuch@woobling.org> -- RackSpace's CloudFiles support for duplicity
exobuzz - mysql bugfixes
Glennie Vignarajah <glennie@glennie.fr> -- mysql bugfix
ddpaul <paul@reic.ru> -- rsync bugfix