Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform.
License: Open Source
Groovy is a dynamic language that integrates seamlessly with Java, making it ideal for Java developers, while Ruby is known for its elegant syntax and strong community support, making it a favorite for web development. Both languages have their strengths and weaknesses, with Groovy excelling in scripting and Java interoperability, and Ruby shining in readability and metaprogramming.