Apache Lenya is a Content Management System (OverviewCMS).
Warning: Many pages in this wiki are very much outdated with respect to the current Lenya 2.0 trunk. Please take the information you find in here with a metric ton of salt. Your first reference for 2.0 matters should be the staging documentation at http://lenya.zones.apache.org/docu/docs/2_0_x/index.html (which is periodically transferred to the main Lenya site).
Glossary - Lenya terminology
OverviewSitemapStructure - a brief introduction into the cocoon sitemaps used by Lenya
SitemapWalkthrough - what happens when you view a page?
Lenya 1.2 information
Series of Articles on Lenya by Jon Linczak http://redarrow.textdrive.com/
Series of How-To's for Lenya by Paul Ercolino http://solprovider.com/lenya
Information in need of updating
Demo Sites hosted by the Lenya project
Third-party Demo Sites
Scrapbook - please review and update!