OrgMassSpecR is an R package for organic/biological mass spectrometry data analysis.
An overview of OrgMassSpecR can be found here: http://orgmassspec.github.io/. The stable version is on CRAN: https://cran.r-project.org/package=OrgMassSpecR.
This repository holds the development version of the package. It can be installed from the package source archive file (.tar.gz file) with the latest version number. See ?install.packages within R.