A diagram of TeX software

A diagram presenting TeX software using the smartdiagram package.

Edit and compile if you like:

% A diagram of TeX software
% Author: Stefan Kottwitz
% https://www.packtpub.com/hardware-and-creative/latex-cookbook
\documentclass[border=10pt]{standalone} 
\usepackage{smartdiagram}
\begin{document}
\smartdiagram[constellation diagram]{\TeX\ software,
  Editor, Compiler, Converter, PDF Reader}
\end{document}