Project Kotlin - statically typed,  targeting the JVM and JavaScript | JavaScript for Line of Business Applications | Scoop.it

1. Concise

Drastically reduce the amount of boilerplate code you need to write.
2. Expressive

Write code to express intent as opposed to surfacing implementation details.

3. Safe

Avoid having to work with pesky null reference exception checks.
4. Versatile

Suitable for any type of application. Even for sharing code between JVM/JS.
5. Interoperable

Leverage existing frameworks and libraries of the JVM with 100% Java Interoperability.
6. Tooling

Command Line Compiler or First Class IDE Support. Freedom to choose.