Behind the Sim Curtain
http://www.behindthesimcurtain.org
A volunteer-run wiki in support of the professional development of individual sim techs and the development of the profession for all simulation operation specialists.
Open Source Sim
http://www.opensourcesim.org
A volunteer-run and community-generated wiki promoting high-quality and low-cost healthcare simulation.
Infectious Resilience
http://www.infectiousresilience.org
Free and Open Source Resources for Resilient Individuals and Communities