Gosu
Gosu is a statically-typed, object-oriented programming language that runs on the Java Virtual Machine (JVM). It is mainly used for building web applications, insurance systems, and other enterprise software.
Hello, world code example:
print("Hello world!")
Popularity: Less than 1% of developers are using or have used this language.*
*According to StackOverflow's 2023 survey.
Repositories on GitHub: 721