Ada
Ada is a high-level, statically typed programming language designed for safety and reliability in software development. It is commonly used in mission-critical systems such as aerospace, defense, transportation, and healthcare.
Hello, world code example:
with Ada.Text_IO; use Ada.Text_IO;
procedure Main is
begin
Put_Line ("Hello world!");
end Main;
Popularity: 0.78% of developers are using or have used this language.*
*According to StackOverflow's 2023 survey.
Repositories on GitHub: 5,616