Roassal3 is a port of Tom Beckman's work on github https://github.com/tom95/Roassal3 Which is a branch of pharo's Roassal3 https://github.com/ObjectProfile/Roassal3 Which appears to be an extension of the work of Alexandre BergelJuan Pablo Sandoval A., Vanessa Pena, Alexandre Bergel and Tudor Girba on http://www.squeaksource.com/Roassal SEE WIKI PAGE FOR INSTALL SCRIPT.