Dart is an application programming language that’s easy to learn, easy to scale, and deployable everywhere.
Rust is a systems programming language that runs blazingly fast, prevents segfaults, and guarantees thread safety.
Scala is functional and translates to Java compatible bytecode. It can use Java libraries.
Racket was formerly known as PLT Scheme
Ceylon is a language for writing large programs in teams. It is powerful, readable, predictable. It is a platform with modularity and tooling.