A Gantt Chart
\documentclass{article}
\usepackage{pgfgantt}
\begin{document}
\begin{ganttchart}
[time slot format=isodate,% use yyyy-mm-dd format to specify dates
newline shortcut,% allow \\ to be used as as synonym for \ganttnewline
x unit=8mm,% width of one time slot
y unit title=16mm,% height of title lines
y unit chart=16mm,% height of chart lines
compress calendar% make one month correspond to one time slot
]% options
{2014-1-1}% start time slot
{2014-12-31}% end time slot
\gantttitlecalendar{year,month=shortname}\\
\ganttgroup{Ray Gun Project}{2014-1-1}{2014-06-30}\\
\ganttbar{Design}{2014-1-1}{2014-04-15}\\
\ganttbar{Testing}{2014-04-01}{2014-06-30}\\
\ganttmilestone{Prototype Ready}{2014-07-01}\\
\ganttgroup{Telepathic Cakes}{2014-5-10}{2014-12-31}\\
\ganttbar{Development}{2014-5-10}{2014-12-31}
\end{ganttchart}
\end{document}
Download gantt-sample.tex or gantt-sample.pdf.
