Logtalk
Logtalk is an open-source object-oriented programming language that extends Prolog with classes, protocols, and a comprehensive development toolset. It is primarily used for creating reusable and modular code, building large-scale applications, and promoting software reuse.
Hello, world code example:
:- object(hello_world).
% the initialization/1 directive argument is automatically executed
% when the object is loaded into memory:
:- initialization(write('Hello world!\n')).
:- end_object.
Popularity: Less than 1% of developers are using or have used this language.*
*According to StackOverflow's 2023 survey.
Repositories on GitHub: 66