Aptkit started as a fork of aptdaemon.

Aptdaemon authors:
  https://launchpad.net/aptdaemon
  Maintainer: Sebastian Heinlein <devel@glatzor.de>
  Developers: Michael Vogt <mvo@ubuntu.com>
  Icon Artits: Mike Langlie <mlanglie@redhat.com> and Richard Hughes <richard@hughsie.com>

Since then the authors are listed in git.
  https://github.com/linuxmint/aptkit/graphs/contributors
