Anything to do with Eclipse and Maven Integration.

Including, but not limited to:

• Maven user's perspective: setting up an Eclipse Project derived from Maven's pom.xml
• Maven developer's perspective: debugging Maven in Eclipse
• Eclipse developer 's perspective: creating Eclipse artifacts (plugins, fragments, features, products, update sites, etc) via Maven

And any discussions needed to work out the design of how to get all this done and work with existing communities to pull this all together

see also: mevenide2-netbeans, maven-idea-plugin, Idea integration, ... 

Maven user

These plugins provide varying levels of support Maven Integration into Eclipse Workbench

Maven developer

TODO: howto debug Maven from Eclipse

Eclipse developer

see this article: http://www.eclipse.org/articles/article.php?file=Article-Eclipse-and-Maven2/index.html

These plugins provide varying levels of support for building Eclipse artifacts with Maven

• OSGi stuff (deprecated)
• pde maven plugin: http://mojo.codehaus.org/pde-maven-plugin/

Other (or to be categorized)

• Felix bundle

• http://svn.codehaus.org/m2eclipse/maven-pst/
• howto