https://login.agni.lindenlab.com/cgi-bin/login.cgi Main Grid "Agni" (Linden Lab)
https://login.aditi.lindenlab.com/cgi-bin/login-llsd.cgi Beta Grid "Aditi" (Linden Lab)
http://osgrid.org:8002/ OSGrid (Non-LL)
http://logingrid.net:8002/ OpenLifeGrid (Non-LL)