User Resources
FAQs and Documentation
SELinux Tools (canonical list with explanations)
Reference policy documentation
Understanding SELinux memory protection controls
Portuguese Documentation Hardening Linux Usando Controle de Acesso Mandatório
SELinux Booleans Documentation at the Centos Wiki
Writing policy for confined SELinux users Red Hat Magazine article by Dan Walsh.
Secure Linux containers cookbook by Serge Hallyn of IBM.
Mailing lists
NSA SELinux mailing list (Unofficial searchable list archive)
Fedora SELinux mailing list (Unofficial searchable list archive)
Tresys SELinux Reference Policy mailing list
IRC
irc.freenode.net channel #selinux
Websites
Hardened Gentoo's SELinux project page
OpenSolaris Flexible MAC project
Tools
setsebool(8)
audit2allow(1)
semanage(8)
restorecon(8)
system-config-selinux