REXX
REXX is a high-level programming language known for its simplicity and ease of use. It is often used for scripting, process automation, and application development.
Hello, world code example:
/*REXX program to show a line of text. */
say 'Hello world!'
Popularity: Less than 1% of developers are using or have used this language.*
*According to StackOverflow's 2023 survey.
Repositories on GitHub: 348