Thanks to Chris Madden for making Harvest such a great product, and Marc Ferber for all the custom work that he has done with the VA and the help integrating many important features.
Xavier Droniou, Mathias Dubourg and Hugo Leray were instrumental in all the performance optimizations in versions 2.5+
Thanks to the OBS team!
Thanks to GitLab for Gitlab CE and for the web site hosting.
And the open source community in general, and these guys specifically :