Time Series Missing Value Imputation (imputeTS)
Imputation (replacement) of missing values in univariate time series.

R package for tracking R package-development metrics (time & memory) across git versions and branches. (Rperform)
Rperform is an R package that makes it easy for R package developers to track quantitative performance metrics of their code, over time. It focuses on providing changes brought over in the package’s performance metrics over subsequent development versions and across git branches, most importantly relating to time and memory.

Useful Networking Tools for Project Management (PlotPrjNetworks)
Useful set of tools for plotting network diagrams in any kind of project.