Letter: R
- R - A language for data analysis and graphics
- R-devel - files for development of R packages.
- R-gnomeGUI - GNOME Console for R
- R-hdf5 - Interface to the NCSA HDF5 library
- R-mAr - R module to evaluate functions for multivariate AutoRegressive analysis
- R-waveslim - R module, Basic wavelet routines for 1,2 and 3-dimensional signal processing
- R-wavethresh - R module, Software to perform wavelet statistics and transforms
- Ri-li - Arcade game where you drive a toy wood engine
- radiusclient-ng - RADIUS protocol client library
- radiusclient-ng-devel - Development files for radiusclient-ng
- radiusclient-ng-utils - Utility programs for radiusclient-ng
- rafkill - Top-down shooter with powerups
- ragel - Finite state machine compiler
- raidem - 2d top-down shoot'em up
- rapidsvn - Graphical interface for the Subversion revision control system
- raptor - Raptor RDF Parser Toolkit for Redland
- raptor-devel - Libraries, includes etc to develop with Raptor RDF parser library
- rasqal - Rasqal RDF Query Library
- rasqal-devel - Development files for the Rasqal RDF libraries
- ratpoison - Minimalistic window manager
- rawstudio - Raw-image converter
- rb_libtorrent - A C++ BitTorrent library aiming to be the best alternative
- rb_libtorrent-devel - Development files for rb_libtorrent
- rblcheck - Command-line interface to RBL-style listings
- rbldnsd - Small, fast daemon to serve DNSBLs
- rdiff-backup - Convenient and transparent local/remote incremental mirror/backup
- recode - Conversion between character sets and surfaces
- recode-devel - Header files and static libraries for development using recode
- regexxer - A nifty GUI search/replace tool
- regionset - Reads/sets the region code of DVD drives
- rekall - A KDE database front-end application
- rekall-docs - Rekall documentation
- rekall-extra - Rekall Extra Stuff Plugin
- rekall-mysql - Rekall MySQL driver
- rekall-postgresql - Rekall PostgreSQL driver
- rekall-python - Rekall Python support
- rekall-sqlite - Rekall SQLite support
- ren - Rename multiple files
- renrot - A program to rename and rotate files according to EXIF tags
- repoml - Tools and data for working with RepoML files
- repoview - Creates a set of static HTML pages in a yum repository
- revelation - Password manager for GNOME 2
- rinetd - TCP redirection server
- rkhunter - A host-based tool to scan for rootkits, backdoors and local exploits
- rlog - Runtime Logging for C++
- rlog-devel - Runtime Logging for C++ - development files
- rlwrap - Wrapper for GNU readline
- rman - Converts man pages to various other formats
- rocksndiamonds - Underground digging game
- rogue - The original graphical adventure game
- root-tail - Displays a given file anywhere on your X11 root window
- rootsh - Shell wrapper for auditing
- rosegarden4 - MIDI, audio and notation editor
- roundcubemail - Round Cube Webmail is a browser-based multilingual IMAP client
- roundup - Simple and flexible issue-tracking system
- rpl - Intelligent recursive search/replace utility
- rpld - RPL/RIPL remote boot daemon
- rpmDirectoryCheck - Tool to detect some RPM packaging errors
- rpmdevtools - RPM Development Tools
- rpmlint - Tool for checking common errors in RPM packages
- rpy - Python interface to the R language
- rrdtool - Round Robin Database Tool to store and display time-series data
- rrdtool-devel - RRDtool libraries and header files
- rrdtool-doc - RRDtool documentation
- rrdtool-perl - Perl RRDtool bindings
- rrdtool-php - PHP RRDtool bindings
- rrdtool-python - Python RRDtool bindings
- rrdtool-tcl - Tcl RRDtool bindings
- rsibreak - A small utility which bothers you at certain intervals
- rsnapshot - Local and remote filesystem snapshot utility
- rss-glx - Really Slick Screensavers
- rss-glx-gnome-screensaver - Really Slick Screensavers
- rss-glx-kde - Really Slick Screensavers
- rss-glx-xscreensaver - Really Slick Screensavers
- rt3 - Request tracker 3
- rtorrent - BitTorrent client based on libtorrent
- rtpproxy - A symmetric RTP proxy
- ruby-activerecord - Implements the ActiveRecord pattern for ORM
- ruby-activesupport - Utility classes and extension to Ruby's standard library
- ruby-amazon - Ruby interface to Amazon Web Services
- ruby-amazon-doc - Documentation for ruby-amazon
- ruby-bdb - Sleepycat Berkeley DB and DB XML
- ruby-bsearch - Binary search library for Ruby
- ruby-fam - Gamin/FAM bindings for Ruby
- ruby-gettext-package - Localization Library and Tools for Ruby
- ruby-gettext-package-doc - Documentation for ruby-gettext-package
- ruby-hyperestraier - Hyper Estraier Library for Ruby
- ruby-mecab - Ruby binding for MeCab
- ruby-mysql - A Ruby interface to MySQL
- ruby-ncurses - A module for ruby applications for using ncurses interfaces
- ruby-postgres - A Ruby interface for the PostgreSQL database engine
- ruby-qdbm - QDBM Database Library for Ruby
- ruby-romkan - Romaji <-> Kana conversion library for Ruby
- ruby-shadow - Ruby bindings for shadow password access
- ruby-sqlite3 - A Ruby interface for the SQLite database engine
- ruby-zoom - Ruby binding to ZOOM
- rubygems - The Ruby standard for packaging ruby libraries
- rudeconfig - Library (C++ API) for reading and writing configuration/.ini files
- rudeconfig-devel - Development files for rudeconfig
- rxvt - ouR XVT, a VT102 emulator for the X window system
- rxvt-unicode - Rxvt-unicode is an unicode version of rxvt
- rzip - A large-file compression program