...
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.
Egit
Subclipse
Subversive
m2e (Maven to Eclipse)
...
m2e-subclipse
m2e-subversive
m2e-egit
Embedded Maven 3 (optional)
...