An uroboros program with 100+ programming languages
...Achieving this requires delicate handling of language-specific quoting, escaping, and code-gen tricks, making it a showcase of language theory, compiler insight, and meta-programming prowess. It is largely a playful, academic exercise exploring the limits of language interoperability and quine construction rather than a utility tool.
Draw railway tracks in 3D from a simple script language in SketchUp
...The advantage of this approach is that real-world track arrangements can be planned, especially ones including curve turnouts with any geometrical configuration. The track layout can potentially be processed beyond visualisation. Further development towards CAD-supported track construction is possible.
mx is a Ruby/Rails code base with broad application in evolutionary biology, it includes general functionality for matrix handling, sequence management, ontology construction, specimen handling, taxonomic catalogs, taxonomic descriptions and more