It can be programmed with any JVM language, such as Clojure, Scala, or Kotlin. The JVM is a well-understood and widely used platform, which is why Rama is built on top of it.

Being a library in a general purpose language as opposed to a custom language means you can do things like: generate dataflow code dynamically, easily use any JVM library, easily integrate with other external systems (e.g. databases) using their Java client, and easily mix regular Java code with Rama dataflow code. All of these are extremely important and should never be sacrificed. Losing any one of these massively increases complexity. Our Mastodon implementation relies heavily on being able to do these things.