This is an another syntactic monstrosity, a language so hip it doesn’t even appear on Tiobe’s list!
For licensing info see LICENSE file. For stuff to come see lang/brev.pdf.
Just type make in the root directory of the repo. By default the GDC compiler (https://bitbucket.org/goshawk/gdc/wiki/Home) is used, to use DMD instead, type make dmd.