R's data.table package extends data.frame:

Tools to make an R developer's life easier

Turn your R code into a web API.

simple tools for data cleaning in R

Read-only mirror of R source code from https://svn.r-project.org/R/, updated hourly. See the build instructions on the wiki page.

Glue strings to data in R. Small, fast, dependency free interpreted string literals.

Data table backend for dplyr

Install R packages from GitHub, GitLab, Bitbucket, git, svn repositories, URLs

A DBI-compliant interface to PostgreSQL

R interface for SQLite

An R package for sending messages from R to Slack

High Precision Timing of R Expressions

Lisp-like-R: A clojure inspired lisp that compiles to R in R

R package for analyzing other R packages via graph representations of their dependencies

R package to create internally consistent, mini version of CRAN

An R package to create interactive web-maps based on the Leaflet JavaScript library

R package for Distance Metric Learning

An Elasticsearch client tailored to data science workflows.