% A diagram of TeX engines
% Author: Stefan Kottwitz
% https://www.packtpub.com/hardware-and-creative/latex-cookbook
\documentclass[border=10pt]{standalone} 
\usepackage{smartdiagram}
\usepackage{metalogo}
\usepackage{dtklogos}
\begin{document}
\smartdiagram[bubble diagram]{\TeX\ engines,
  \TeX\ (dvi), pdf\TeX, \XeTeX, \LuaTeX, Con\TeX t}
\end{document}