A list of frequently asked questions (and their answers) is available here: Frequently Asked Questions
Training options are now available: training
Several users and developers mailinglists are available. You can subscribe at lists.openinfosecfoundation.org/mailman/listinfo
Tracking bugs, feature request and support requests is done on our redmine.openinfosecfoundation.org
We have an IRC channel on freenode.net, join #suricata.
Most of our development revolves around our redmine site: redmine.openinfosecfoundation.org
5-Day Suricata Developer Training in Copenhagen, Denmark - Open to the PublicSeptember 14, 2015 ⋅ Regular Admission: 5,000.00USD