\documentclass{article}
\usepackage[LGR,T1]{fontenc}
\usepackage[sfdefault]{GoSans}
\usepackage{GoMono}
\usepackage{lipsum}
\begin{document}

\section*{Go Sans}

\subsection*{Regular}
\subsubsection*{Upright}
\lipsum[1]

\subsubsection*{Italic}
\textit{\lipsum[2]}

\subsubsection*{Small Caps}
\textsc{\lipsum[3]}

\subsubsection*{Small Caps Italic}
\textsc{\textit{\lipsum[4]}}

\subsection*{Bold}

\subsubsection*{Upright}
\textbf{\lipsum[3]}

\subsubsection*{Italic}
\textbf{\textit{\lipsum[4]}}



\subsection*{Medium}
\subsubsection*{Upright}
{\gomedium \lipsum[8]}

\subsubsection*{Italic}
{\gomedium \textit{\lipsum[10]}}


\subsection*{Numbers}

1234567890

\subsection*{Ligatures}


Officially broken off. Often offline, find me flowerless.


\section*{LGR}


{\golgr\noindent
 a b g d e z h j i k l m n x o p r s t u f q y w\\
 A B G D E Z H J I K L M N X O P R S T U F Q Y W\\
}


\section*{Go Mono}
\ttfamily\sloppy


'a' \quad "a" \quad `a' \quad ``a''

\subsection*{Regular}
\subsubsection*{Upright}

\lipsum[1]

\subsubsection*{Italic}
\textit{\lipsum[2]}

\subsection*{Bold}

\subsubsection*{Upright}
\textbf{\lipsum[3]}

\subsubsection*{Italic}
\textbf{\textit{\lipsum[4]}}

\subsection*{Numbers}

1234567890

\subsection*{Non-Ligatures}


Officially broken off. Often offline, find me flowerless.

\section*{LGR}


{\gomonolgr\noindent
 a b g d e z h j i k l m n x o p r s t u f q y w\\
 A B G D E Z H J I K L M N X O P R S T U F Q Y W\\
}


\end{document}