Pygments is a syntax highlighting package written in Python.

It is a generic syntax highlighter for general use in all kinds of software
such as forum systems, wikis or other applications that need to prettify
source code. Highlights are:

    * a wide range of common languages and markup formats is supported
    * special attention is paid to details, increasing quality by a fair amount
    * support for new languages and formats are added easily
    * a number of output formats, presently HTML, LaTeX, RTF and ANSI sequences
    * it is usable as a command-line tool and as a library

WWW: https://pygments.org/