Useful resources & further reading - getrailo/railo GitHub Wiki
Websites
getRailo.com - Home of Railo Technologies GmbH, the folks responsible for making Railo Open Source possible.
getRailo.org - The open source project website.
Source Code - The source repository at GitHub.
Issue Tracker - The issue tracker at Jboss.org. Before you post issues, please read up on reporting bugs
YouTube Channel - Railo video tutorials and hangouts.
Railo Custom Search Engine - A custom search engine looking at Railo websites only.
Mailing lists
Railo Open Source Community Mailing List
Railo Open Source Community - Beta Mailing List
Railo Open Source Community - Prerelease Mailing List
Blogs
Books
Railo 3 Beginners Guide by Mark Drew