The following people contributed to the Diogenes library.

Pierre Habouzit <pierre.habouzit AT m4x.org>
 * various database access optimisations
 * database debugging code
 * improvements in readability in case of sets, enums, or `JOIN' values

Jeremy Lainé <jeremy.laine@m4x.org>
 * original author of the Diogenes library
 * flagset class
 * log and log browsing system
 * table viewer class

Loïc Le Loarer
 * original mailer code

Polytechnique.org team
 * various bits of code