Fail2Ban is an open source project with many contributions from its
users community. Below is an alphabetically sorted partial list of the
contributors to the project.  If you have been left off, please let us
know (preferably send a pull request on github with the "fix") and you
will be added

Adrien Clerc
Andrey G. Grozin
Arturo 'Buanzo' Busleiman
Axel Thimm
Bill Heaton
Christian Rauch
Christoph Haas
Christos Psonis
Daniel B. Cid
David Nutter
Eric Gerbier
Guillaume Delvit
Hanno 'Rince' Wagner
Iain Lea
Jonathan Kamens
Jonathan Underwood
Joël Bertrand
Justin Shore
Kévin Drapel
kojiro
Mark Edgington
Markus Hoffmann
Marvin Rouge
mEDI
Michael C. Haller
Michael Hanselmann
NickMunger
Patrick Börjesson
Raphaël Marichez
René Berber
Robert Edeker
Russell Odom
Sireyessire
Stephen Gildea
Tom Pike
Tyler
Vaclav Misek
Vincent Deffontaines
Yaroslav Halchenko
Yehuda Katz
zugeschmiert