Blogs by Tapestry Developers and the Community

Tapestry Central is was Howard Lewis Ship's blog from 2003-2013. As the creator of Tapestry, he provides valuable insights into Tapestry's latest features and future directions.
Igor Drobiazko's blog (committer & PMC) contains news guides on Tapestry development and will guide you through some of the most exciting parts of Tapestry5 development (2009-2013).
Java Magic (by Taha Hafeez, committer) has presents a series of tutorials illustrating some of the more advanced Tapestry and Plastic features and techniques (2011-2012).

Books on Tapestry

There are at least 9 published books on Tapestry, including three on Tapestry 5.

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Mark Shead's 10 Minute Demo (Video, 2011)
H. L. Ship's Tapestry 5.4 - Bootstrap-enhanced Exception Reporting (Video, 2012)
JavaServer Faces 2.0 vs. Tapestry 5 (PDF, 2010) A Head-to-Head Comparison by Igor Drobiazko at Jazoon 2010
Tapestry 5: Java power, Scripting Ease (VIDEO) by Howard Lewis Ship at Devoxx 2009

Documentation Source wiki (Confluence) – the wiki used as the content editor for the official Tapestry documentation
Tapestry Community Wiki (legacy) – read-only copy of Tapestry's old Moin Moin ) contains wiki containing a lot of user-generated information on different Tapestry use cases.Documentation Source wiki (Confluence) – the wiki used as the content editor for the official Tapestry documentation

The primary method of support is the Tapestry Mailing Lists.

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