PROMAL
PROMAL is a high-level, procedural programming language that is used for writing and executing programs, mainly in the field of artificial intelligence. It is designed to facilitate the development of logical and rule-based systems, making it suitable for applications such as expert systems and knowledge representation.
Hello, world code example:
program hello
include library
begin
output "Hello world!"
end
Popularity: Less than 1% of developers are using or have used this language.*
*According to StackOverflow's 2023 survey.