http://www.mcs.anl.gov/projects/codes/ CODES is a set of models and utilities to aid in building parallel discreteevent simulations, on top of the ROSS simulation framework(https://github.com/carothersc/ROSS).
Documentation can be found in the doc subdirectory. Particularly,doc/BUILD\_STEPS documents the build process and doc/GETTING\_STARTED documentslibrary features at a high level.