Ask HN: Any open source Scala project to contribute? (Besides libraries)

play? https://playframework.com/

Any of the apps based on play? https://en.wikipedia.org/wiki/Play_Framework#Usage

I highly welcome to contribute to my project Scorex, modular blockchain framework under CC0 license. https://github.com/ScorexProject/Scorex-Lagonaki (my mail kushti@protonmail.ch)

Spark

scalatutorials.com needs lot's of work... :) not sure if it qualifies as a scala project though...