So far, it's got a really tiny footprint, a typed in-memory name system, cooperative threading, a garbage collector, and a command shell.
Remaining work includes the data translator (used by the garbage collector), and the language syntax (not a programming language, just a wrapper for other programming languages).
I have truly evil plans for this software. I'll announce it all over the place when I get it nicely packaged up for you.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!