SpreadCocoon offers a collection of Cocoon switch stories, press articles about Cocoon, showcases of live Cocoon sites etc.
Cocoon Center (link to first article because index.html doesn't work)
Matthew Langham's Cocoon weblog
CocoonHive is a weblog discussing mainly Portal Syndication best practices and use cases
cTwIG - The Cocoon Two Idiots Guide is a quick guide for new users of C2
Cocoon Resources - Articles, Books, Links, Tutorials, Wiki.
[GERMAN] Cocoon Forum (Forum for Stephan Niedermeier's book - see below)
Cocoon: Building XML Applications, Matthew Langham and Carsten Ziegeler
Cocoon Developer's Handbook, Lajos Moczar and Jeremy Aston
Cocoon 2 Programming: Web Publishing with XML and Java, Bill Brogden, Conrad D'Cruz and Mark Gaither
[GERMAN] Cocoon 2 und Tomcat - XML-Publishing mit dem Open-Source-Framework by Stephan Niedermeier, Probekapitel als PDF
Introducing Cocoon 2.0, Stefano Mazzocchi
Building XML Portals with Cocoon, Langham and Ziegeler
Getting Started With Cocoon 2, Steve Punte
Interview with Stefano Mazzocchi -- Includes some details about Cocoon 2.1
XSP Emerges from Cocoon on XML Magazine. XSP provides for dynamic content and separation of business and presentation logic, while overcoming JSP's limitations
Generating Web content with Cocoon on webreference.com
Metabox - Building Applications with less code
This article shows how to build database Web applications using Oracle, two open-source frameworks, and MetaBOX software. Building database Web applications is commonly a repetitive task; many such applications are based on insert/delete/update statements of tables in a form of simple rows, multiple rows, or master/detail combinations. (source: out of the article)
Excel Reports with Apache Cocoon and POI by Steve Punte
Galatea FlashGuideTM: Getting started with Cocoon by Lajos Moczar
Transform Data into Web Applications with Cocoon. By Lajos Moczar, JavaWorld Site A really solid, detailed explanation of Actions.
Cocoon Tutorial (German) by Stephan Niedermeier Detailed information about used technologies and first steps with Cocoon.
Online Magazines with Apache Cocoon In order to demonstrate what I call XML-directed solutions using Apache Cocoon, in this article I will discuss how to use Cocoon to create an online magazine. by Steve Punte
XML Publishing with Cocoon 2 - a perspective on using Coocon for the development of ContentXML Content Management Suite, an enterprise content-management system built on top of Cocoon 2 (by David Cummings and Collin VanDyck)
An Introduction to Apache Cocoon 2.1 by Michael Melhem
XML, FO, SVG, Cocoon tutorial (German) downloadable demonstration of some cocoon features. There you can find basic introductions to xml, xsl, svg and fo in german language, too.
Documenting Projects with Apache Forrest by Kyle Downey
Products built on or for Cocoon
Agility Issues and Bug Tracking Software from AgileEdge uses cocon and pdf and xls generation
Cocoon and similar applications
Cocoon Live Sites
KnowLEX provides additional services (PDF, Lucene search, content-based ads) to the contents of Wikipedia (German)
ITGIS Institute for Tourism and Geographic Information System
NewsArch open mailing list and newsgroup archive
Links and articles to Cocoon related stuff