MEMS simulation tools
MEMCAD by Microcosm http://www.memcad.com
IntelliSuite by IntelliScience
http://www.intellisense.com
TCAD (Solidis) by ISE http://www.ise.ch
CFD-ACE+MEMS CAD by CFDRC
MEMSCAP by MEMSCAP http://www.memscap.com
MEMS Pro by Tanner http://www.tanner.com/eda
ANSYS V5.6 by ANSYS http://www.ansys.com/
http://www-bsac.EECS.Berkeley.EDU/~cfm/