Befunge
Befunge is an esoteric programming language that utilizes a 2D grid of instructions. It is primarily used for educational purposes and creating challenging programming puzzles.
Hello, world code example:
52*"!dlroW ,olleH">:#,_@
Popularity: Less than 1% of developers are using or have used this language.*
*According to StackOverflow's 2023 survey.
Repositories on GitHub: 18