The following plugins allow using Maven from the Eclipse IDE, avoiding the use of the Maven command line interface. They integrate Maven in the IDE in different ways, please check their sites for more information. Both plugins allow running Maven goals from Eclipse, see the output in a view inside the IDE and synchronize Maven POM information with Eclipse project information to some extent.
The Maven Integration for Eclipse is the first and most mature of the projects aimed at integrating Maven within the Eclipse IDE. It is released under the EPL 1.0 license.
Eclipse IAM is a newer Apache Maven plugin for Eclipse with a fresh approach for Maven integration with the Eclipse IDE and other Eclipse plugins (JDT, WTP, Candy for Appfuse,...), also opening the doors for other Eclipse plugin developers to access Maven features as easy as possible.
With five releases already, and continuing to make one every other month it's quickly maturing.
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