http://m2eclipse.sonatype.org/update/
http://www.junginger.biz/eclipse/
http://download.eclipse.org/technology/m2e/releases
http://download.eclipse.org/egit/updates
http://subclipse.tigris.org/update_1.8.x
http://download.eclipse.org/m2e-wtp/releases/
http://download.jboss.org/jbosstools/updates/release/
http://download.eclipse.org/technology/m2e/milestones/1.4
http://dist.springsource.com/release/TOOLS/update/e4.2