Subclipse
From HCL
Subversion for Eclipse http://subclipse.tigris.org/
Eclipse install http://subclipse.tigris.org/update_1.4.x (for the Subversion 1.5 client) or http://subclipse.tigris.org/update_1.6.x (for the Subversion 1.6 client)
There is a bug, when it runs under Linux