1. PfennigA Probabilistic Functional Programming Language DSL in Scala
2. concatenative-langA simple concatentative language implemented using Shapeless. My second place winning entry to Originate's Scala Days 2014 challenge.
3. madsMarkdown String Interpolator for Scala 3
5. fdlSimple implementations of forward- and backward-mode automatic differentation in Scala
7. crdtConvergent and Commutative Replicated Data Types for Scala