programming language

  Programming languages  are languages designed for humans to write for machines to interpret and execute, typically in the form of software, though sometimes in terminal commands.

Examples
Roughly by popularity / usage frequency on IndieWeb sites:
 * JavaScript
 * PHP
 * Python
 * Ruby
 * Go
 * Haskell
 * Elixir
 * Rust
 * .NET

For more programming languages see the 2016 StackExchange: Programming Puzzles & Code Golf: Add a language to a polyglot.

Environmental Considerations
As part of green computing considerations:
 * 2018-05-20 Which Programming Languages Use the Least Electricity?