Graphical interface to rdesktop

http://gap.nongnu.org/remotedesk/index.html

Uncompile an rgb color-name database

https://gitlab.freedesktop.org/xorg/app/rgb

Utility and library for computing and checking of file hashes

https://rhash.sourceforge.net/

Fully skinnable XHTML/CSS webmail written in PHP

https://roundcube.net/

Convert .rpm files to cpio format

The RPM Package Manager

https://rpm.org/

Round Robin Database Tools

https://oss.oetiker.ch/rrdtool/

Fast spam filtering system

https://rspamd.com/

Restricted Secure SHell only for sftp or/and scp

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

Sample implementation of a Remote Start client

Network file distribution/synchronization utility

https://rsync.samba.org/

RTMP streams download utility

http://rtmpdump.mplayerhq.hu/

Ruby interface to Oracle Berkeley DB revision 2 or later

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

Binary data dumper module for Ruby

http://www.geocities.co.jp/SiliconValley-Oakland/2986/

Ruby extension to GDBM library

Package management framework for the Ruby language

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

Object-oriented interpreted scripting language

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

Object-oriented interpreted scripting language

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

Fast, open source text processor and publishing toolchain

https://asciidoctor.org/

Low memory usage xterm replacement that supports color

Subset of a well-known texture compression scheme

https://github.com/divVerent/s2tc/wiki

NetBIOS Name lookup tool

http://www.samba.org/

Free SMB/CIFS and AD/DC server and client for Unix

http://www.samba.org/

Free SMB/CIFS and AD/DC server and client for Unix

http://www.samba.org/

API for accessing scanners, digital cameras, frame grabbers, etc

http://www.sane-project.org/

Stand-Alone shell combining many common utilities

http://members.tip.net.au/~dbell/

Wrapper around libsass

https://libsass.org/

Scala Programming Language

https://www.scala-lang.org/

Scan_ffs recovers lost disklabel

High-speed Dirac codec

http://www.diracvideo.org/

ANSI C version of the SciMark2 benchmark

https://math.nist.gov/scimark2/download_c.html

Build tool alternative to make

https://scons.org/

Tiny shell that only permits scp and sftp

https://github.com/scponly/scponly/wiki

Converts the output of "vidcontrol -p" to PNG

Converts the output of "vidcontrol -p" to text

Multi-screen window manager

https://www.gnu.org/software/screen/

Small and lightweight screen(1) wrapper

https://sourceforge.net/projects/screenie/

Various X related scripts

https://cgit.freedesktop.org/xorg/app/scripts

Open Document Cataloging Project

http://scrollkeeper.sourceforge.net/

Cross-platform multimedia development API

https://www.libsdl.org/

Cross-platform multimedia development API

https://www.libsdl.org/ https://github.com/libsdl-org/SDL

SDL graphics drawing primitives and other support functions

http://www.ferzkopp.net/Software/SDL_gfx-2.0/

Simple library to load images of various formats as SDL surfaces

https://www.libsdl.org/projects/SDL_image/

Sample multi-channel audio mixer library

https://www.libsdl.org/projects/SDL_mixer/index.html

Small sample cross-platform networking library

http://www.libsdl.org/projects/SDL_net/

SDL_Pango is the SDL API to the Pango text rendering engine of GNOME 2.x

http://sdlpango.sourceforge.net/

SDL audio library and player for some popular sound file formats

https://www.icculus.org/SDL_sound/

"Simplified" DocBook XML DTD

https://www.oasis-open.org/docbook/xml/simple/

GNOME application for managing encryption keys (PGP, SSH)

https://wiki.gnome.org/Apps/Seahorse

Search using regexes for file names and text

http://searchmonkey.sourceforge.net/