Much of the documentation for RT comes with RT itself. You can find setup instructions in the README file and see installation options by running the configure script. User documentation is under docs/. Technical documentation for each class in RT's source code is accessible using Perl's perldoc command. For example, to see the API documentation for the RT::Ticket class, run: perldoc lib/RT/Ticket.pm
This documentation is also available online:
The latest documentation is always at: https://bestpractical.com/docs/rt/latest/
Make sure to look at the documentation that corresponds with your version. You can find more details on RT versions, our release policy, and support on our release policy page. Release notes for all public releases are also available.
Additional information about RT and our related products is available on our community wiki. It contains helpful documentation like FAQs, troubleshooting tips, and customizations contributed by RT users like yourself.
If you're looking for more in-depth documentation, we wrote an entire book just about RT, which is available in a variety of formats.
RTIR uses RT to implement many core features, so the RT documentation above is a good resource. RTIR also had it's own:
Commercial Services and Support
Best Practical Solutions provides a variety of commercial support options as well as custom development, installation, and upgrade services. Check out our Services page for details.
Community Help and Discussion
Several mailing lists host useful discussions about RT and RTIR and the searchable archives have years of helpful information.
Announcements of new RT releases and security issues (very low volume, recommended if you use RT)
General discussion of the use of RT, basic troubleshooting, sharing of tips, etc. (high volume, often helpful)
General discussion of the use of RTIR (low volume)
Discussion of modifying RT's codebase yourself or deep technical discussions about RT (medium to low volume)
Changes committed to the RT Git archive (high volume)
To get yourself on to any of these lists, send mail to (listname)-email@example.com with a message body consisting solely of the word:
List information and monthly archives dating back to 2000 can be found at http://lists.bestpractical.com/mailman/listinfo.