implicitcf is an R package which implements the algorithm from Hu, Volinsky, and Koren's 2008 paper Collaborative Filtering for Implicit Feedback Datasets.
To install R, visit r-project.org/.
To install the package, first install devtools from CRAN. Then run the following commands.
# install.packages("devtools")
devtools::install_github("andland/implicitcf")