IMPORTANT:
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Our project home page: https://openmpp.org
Our latest source code and release available at: https://github.com/openmpp/main/releases/latest
Our documentation available at: https://github.com/openmpp/openmpp.github.io/wiki
SourceForge files still exist for historical reason.
OpenM++ is an open source microsimulation platform inspired by and compatible with Modgen. OpenM++, compared to its closed source predecessor Modgen, has advantages like portability, scalability and open source. It is not a copy of Modgen, but a new, functionally equivalent implementation of the publicly available language specification.
Grumpy is a Python to Go source code transcompiler and runtime
...Grumpy was ultimately archived and is read-only, but the repository remains a valuable reference on alternative Python execution strategies and the trade-offs of VM-less designs. Documentation in the repo and wiki outline architecture, limitations, and examples of compiled output.