Rime Luna Pinyin schema support

https://github.com/rime/rime-luna-pinyin

Rime Middle Chinese schema support

https://github.com/rime/rime-middle-chinese

Rime pinyin-simp schema support

https://github.com/rime/rime-pinyin-simp

Essential files for building up your Rime configuration

https://github.com/rime/rime-prelude

Rime Quick schema support

https://github.com/rime/rime-quick

Rime Smart Cangjie schema support

https://github.com/rime/rime-scj

Rime Soutzoe schema support

https://github.com/rime/rime-soutzoe

Rime Stenotype schema support

https://github.com/rime/rime-stenotype

Rime Stroke schema support

https://github.com/rime/rime-stroke

Rime Terra Pinyin schema support

https://github.com/rime/rime-terra-pinyin

Rime Wubi schema support

https://github.com/rime/rime-wubi

Rime Wugniu schema support

https://github.com/rime/rime-wugniu

C11 / gnu11 utilities C library

https://github.com/shlomif/rinutils

Command line search tool

http://blog.burntsushi.net/ripgrep/

GNU Compiler Collection for bare metal riscv64 cross-development

https://gcc.gnu.org/

Image viewer with Xfce integration

https://goodies.xfce.org/projects/applications/ristretto

Rockchip Binary blobs

https://github.com/rockchip-linux/rkbin

Flexible message logging facility for C++

https://www.arg0.net/rlog

Recurrent neural network for audio noise reduction

https://github.com/xiph/rnnoise

Fast hash map and hash set

https://github.com/Tessil/robin-map

Roboto typeface family

http://developer.android.com/design/style/typography.html

Rocinante is a lightweight configuration management software

https://github.com/bastillebsd/rocinante

Window switcher, run dialog and dmenu replacement

https://github.com/davatorium/rofi

Japanized and message separated version of Rogue-clone: Version II

Fully skinnable XHTML/CSS webmail written in PHP

http://www.roundcube.net/

Classic skin/theme for Rouncube webmail

https://github.com/roundcube/classic/

Larry skin/theme for Rouncube webmail

https://github.com/roundcube/larry/

Thunderbird Labels plugin for RoundCube webmail

https://github.com/mike-kfed/roundcube-thunderbird_labels

Firmware for RaspberryPi Single Board Computer

https://github.com/raspberrypi/firmware

Convert .rpm files for extraction with gcpio, needs just perl

The RPM Package Manager

https://rpm.org/

Round Robin Database Tools

http://www.rrdtool.org/

Fast spam filtering system

https://rspamd.com/

Restricted Secure SHell only for sftp or/and scp

http://www.pizzashack.org/rssh/index.shtml

Network file distribution/synchronization utility

http://rsync.samba.org/

Syslogd supporting SQL, TCP, and TLS

https://www.rsyslog.com/

Generic RF data receiver and decoder for ISM band devices

https://github.com/merbanan/rtl_433

Command-line tool that performs SDR with RTL2832-based USB sticks

https://sdr.osmocom.org/trac/wiki/rtl-sdr

Realtek USB bluetooth adaptor firmwares used by rtlbtfw(8)

https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git

Open-source C implementation of the RPKI/Router Protocol client

https://rtrlib.realmv6.org/

Run Time Type Reflection

https://github.com/rttrorg/rttr

Ruby interface to Oracle Berkeley DB revision 2 or later

https://github.com/knu/ruby-bdb

Integrated environment for Bioinformatics written in Ruby

http://bioruby.org/

Binary search library for Ruby

http://0xcc.net/ruby-bsearch/

Package management framework for the Ruby language

https://rubygems.org/ https://github.com/rubygems/rubygems

Romaji <-> Kana conversion library for Ruby

http://0xcc.net/ruby-romkan/index.html.en

Unicode conversion library with Japanese codesets support for Ruby

http://www.yoshidam.net/Ruby.html

Ruby binding for Xapian

https://xapian.org/

Object-oriented interpreted scripting language

https://www.ruby-lang.org/en/

Object-oriented interpreted scripting language

https://www.ruby-lang.org/en/