If you look at what they currently support in terms of plugin availability and stability these are nowhere near being viable alternatives at the moment. The on

If you look at what they currently support in terms of plugin availability and stability these are nowhere near being viable alternatives at the moment. The only remotely viable alternative to SBT I've found is Pants. (I guess Maven and Gradle might qualify too, but it's been so long since I've used them with Scala that I can't be sure.)