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Apache Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages technologies. This is application that will run the servlets created through the DSpace deployment process.
Eclipse Plugins
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SCM Connectors
Both of these plugins connect Eclipse with Subversion repositories. Their strengths and weaknesses vary a little depending on the task. I tend to go with Subclipse primarily due to this article from person.
Subclipse
Subversive
m2e (Maven to Eclipse)
There have been significant developments recently within the integration between Eclipse and Maven, not all of this is good. However, if starting from scratch, building a new IDE from the ground up, you don't have to worry about breaking existing projects. As long as this is the case, you shouldn't have to worry about the state of Eclipse-Maven integration.
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These are extensions for the m2e plugin and are available through the m2e marketplace (accessible from within Eclipse).
SCM
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Connectors
These are CVS, Subclipse, Subversive, EGit, etc SCM extensions for m2e.
m2e-scm
m2e-cvs
m2e-subclipse
m2e-subversive
Embedded Maven 3 (optional)
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