  We introduce the \texttt{Stata} (and \texttt{R}) package \texttt{rdmulti},
which includes three commands (\texttt{rdmc}, \texttt{rdmcplot}, \texttt{rdms})
for analyzing Regression Discontinuity (RD) designs with multiple cutoffs or
multiple scores. The command \texttt{rdmc} applies to non-cumulative and
cumulative multi-cutoff RD settings. It calculates pooled and cutoff-specific
RD treatment effects, and provides robust bias-corrected inference procedures.
Post estimation and inference is allowed. The command \texttt{rdmcplot} offers
RD plots for multi-cutoff settings. Finally, the command \texttt{rdms} concerns
multi-score settings, covering in particular cumulative cutoffs and two running
variables contexts. It also calculates pooled and cutoff-specific RD treatment
effects, provides robust bias-corrected inference procedures, and allows for
post-estimation estimation and inference. These commands employ the
\texttt{Stata} (and \texttt{R}) package \texttt{rdrobust} for plotting,
estimation, and inference. Companion \texttt{R} functions with the same syntax
and capabilities are provided.
