FLR (entire toolbox and MSE tool not on toolbox) - MYDAS, MsY for Data limited stocks, a new FLR package. For FLR suggest using FLR's R universe and github for seeing what is new - website is a great place to start for tutorials and how to use it, but FLR and R universe is where the "up and coming stuff" is. FLBEIA and there are tutorials by ssanchez (links on slides)
OpenMSE
Muppet and eqsim (Iceland) (muppet available on github details on sharepoint)