Horowhenua Library Trust and Rosalie Blake, Head of Libraries, (Koha 1.0)
The Nelsonville Public Library (MARC support)
EMN (Ecole des Mines de Nantes) (Suggestion, stats modules and improved ldap support)
ENSMP (Ecole Nationale Supérieure des Mines de Paris) (biblio frameworks, MARC authorities, OPAC basket, Serials support)
Rachel Hamilton-Williams, Kaitiaki
Paul Poulain, 2.2 release manager (MARC developper)
Stephen Hedges & the Nelsonville Public Library (MARC features funders)
Nicholas Rosasco, (Documentation Compiler)
Mike Hansen
MJ Ray and Turo Technology LLP, (quality control, installer & updater, 2.0 release maintainer)
Katipo Communications
Rachel Hamilton-Williams, General Manager (Webmistress)
Chris Cormack, 1.2 release manager
and Simon Blake, Amanda Atkins, Operations Manager, Olwen Williams, Finlay Thompson,
Gynn Lomax, Richard Anderson, Jeremy Blake, Rebecca Holden, Olive T. Canine
Adam Thick
Andrew Hooper
Al Banks
Ambrose Li (chinese & translation tool)
Andrew Arensburger (the small & great C4::Context module)
Benedykt P. Barszcz (Polish for 2.0)
Brig C. McCoy
Daniel Holth
David Strainchamps
Dorian Meid (German translation)
doXulting (Matthieu Branlat) OPAC basket
Ed Summers (Some code and Perl packages like MARC::Record)
Esiee School (Jérome Vizcaino, Michel Lerenard, Pierre Cauchois)
Florian Bischof
Francisco M. Marzoa Alonso
Glen Stewart
Henri-Damien Laurent
Jo Ransom
Kip DeGraaf
Marco Gaiarin
Md. Aftabuddin
Michaes Herman
Mike Johnson
Mike Mylonas
Nicolas Morin (French Translation in 2.0)
Pawel Skuza (Polish for 1.2)
Regula Sebastiao
Roger Buck
Ron Wickersham
Sebastiaan Durand
Steve Tonnesen (early MARC work, Virtual Bookshelves concept, KohaCD)