\documentclass{article}
\usepackage{ulem}
\pagestyle{headings}
\begin{document}
\part{ Synchronization}
Horde provides several techniques and supports a number of protocols to enable synchronization between Horde applications, resp. Horde Groupware, and large variety of external clients.

Horde supports the following synchronization protocols:

\begin{itemize}
\item{ActiveSync\footnote{http://example.com/index.php?page=ActiveSync}}
\item{CalDAV\footnote{http://example.com/index.php?page=CalDAV}}
\item{CardDAV\footnote{http://example.com/index.php?page=CardDAV}}
\item{WebDAV\footnote{http://example.com/index.php?page=WebDAV}}
\item{SyncML\footnote{http://example.com/index.php?page=SyncML}}
\end{itemize}
\section{ Features}
For a more detailed feature grid, please see the individual protocol's pages. The number refers to the minimum Horde version required for full read-write support.

\begin{tabular}{|l|l|l|l|l|l|l|}
\hline
Protocol & Email & Contacts & Events & Tasks & Notes & Discovery\\
\hline
ActiveSync\footnote{http://example.com/index.php?page=ActiveSync} & 5.0 & 4.0 & 4.0 & 4.0 & 5.1 & 5.0\\
\hline
CalDAV\footnote{http://example.com/index.php?page=CalDAV} & - & - & 5.1 & 5.1 & - & 5.1\\
\hline
CardDAV\footnote{http://example.com/index.php?page=CardDAV} & - & 5.1 & - & - & - & 5.1\\
\hline
WebDAV\footnote{http://example.com/index.php?page=WebDAV} & - & - & 3.2 & 3.2 & - & -\\
\hline
SyncML\footnote{http://example.com/index.php?page=SyncML} & - & 3.0 & 3.0 & 3.0 & - & -\\
\hline
\end{tabular}
\section{ Clients}
This is just a generic overview about the supported clients or device category. For details about supported versions or models, see the individual protocol's pages. Legend: B = builtin, b = partially builtin, E = external app/program/plugin required.

\begin{tabular}{|l|l|l|l|l|l|}
\hline
Client/Device & ActiveSync\footnote{http://example.com/index.php?page=ActiveSync} & CalDAV\footnote{http://example.com/index.php?page=CalDAV} & CardDAV\footnote{http://example.com/index.php?page=CardDAV} & WebDAV\footnote{http://example.com/index.php?page=WebDAV} & SyncML\footnote{http://example.com/index.php?page=SyncML}\\
\hline
\textsl{Desktop Clients} & \multicolumn{5}{l|}{}\\
\hline
Outlook & B (Since 2013) & ? & ? & ? & ?\\
\hline
Thunderbird/Lightning & E & B & E & B & E\\
\hline
Evolution & ? & ? & ? & ? & ?\\
\hline
Kontact & ? & ? & ? & ? & ?\\
\hline
\textsl{Mobile Devices} & \multicolumn{5}{l|}{}\\
\hline
Android & B & E & E & E (1) & E\\
\hline
iOS & B & B & B & - & ?\\
\hline
Windows Phone & B & ? & ? & ? & E\\
\hline
Blackberry & B (Since BB10) & B & B & ? & ?\\
\hline
\end{tabular}
(1)Support for such an WebDAV\footnote{http://example.com/index.php?page=WebDAV} based Appointment sync is provided e.g. by following Android App CalendarSync\footnote{https://play.google.com/store/apps/details?id=com.icalparse}

\end{document}
