Project website: http://sakaiproject.org/
Project Information: Sakai is an enterprise teaching, learning and academic collaboration platform that best meets the needs of today's learners, instructors and researchers.
Books on Sakai:
Project website: http://www.scalix.com/
Project Information: Scalix is a Linux email servers that provides proven email and calendaring.
Books on Scalix:
Project website: http://scratch.mit.edu/
Project Information: Scratch is a programming language that makes it easy to create your own interactive stories, animations, games, music, and art -- and share your creations on the web.
Books on Scratch:
Project website: http://www.smarty.net/
Project Information: Smarty is a Template/Presentation Framework that provides the programmer and template designer with a wealth of tools to automate tasks commonly dealt with at the presentation layer of an application.
Books on Smarty:
Project website: http://lucene.apache.org/solr/
Project Information: An open-source search server based on the Lucene Java search library.
Books on Solr:
Project website: http://spamassassin.apache.org/
Project Information: SpamAssassin is an Open-Source Spam Filter.
Books on SpamAssassin:
Spring (Spring Source)
Project website: http://www.springsource.com/
Project Information: Spring is a popular and widely deployed open source framework.
Books on Spring:
Project website: http://struts.apache.org/
Project Information: Apache Struts is a free open-source framework for creating Java web applications.
Books on Apache Struts:
Project website: http://www.sugarcrm.com/
Project Information: SugarCRM is a commercial open source customer relationship management (CRM).
Books on SugarCRM: