Build tool for Scala projects

http://www.scala-sbt.org/

Scala Programming Language

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

Scan_ffs recovers lost disklabel

Small man page generator

https://git.sr.ht/~sircmpwn/scdoc/

High-speed Dirac codec

http://www.diracvideo.org/

Smart Common Input Method platform

http://www.scim-im.org

SCIM add-on to input various symbols with customisable on-screen pad

http://www.scim-im.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

http://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/

SCReenshOT - command line screen capture utility

https://github.com/resurrecting-open-source-projects/scrot

Interpreter for several adventure games

https://www.scummvm.org/

Cross-platform multimedia development API

https://www.libsdl.org/

Cross-platform multimedia development API

https://www.libsdl.org/

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

Abstract SDL soundfile decoder

https://icculus.org/SDL_sound/

Library to use TrueType fonts to render text in SDL applications

https://github.com/libsdl-org/SDL_ttf

Audio decoding, resampling and mixing library for SDL

https://github.com/realnc/SDL_audiolib

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

http://www.icculus.org/SDL_sound/

Library to use TrueType fonts to render text in SDL applications

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

"Simplified" DocBook XML DTD

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

GNOME application for managing encryption keys (PGP, SSH)

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

Minimal seat management daemon and universal library

https://git.sr.ht/~kennylevinsen/seatd

Secure data deletion toolkit

https://www.thc.org/

Checks installed packages for vulnerabilities

http://github.com/laffer1/security-advisory-client/

Scaling, colorspace conversion, and dithering library

https://github.com/sekrit-twc/zimg

Extensive german HTML reference

http://www.selfhtml.org/

Reliable, highly configurable mail transfer agent with utilities

https://www.sendmail.org/

Perl-script to send xmpp (jabber) messages

https://sendxmpp.hostname.sk/

C library for RDF syntax

https://drobilla.net/software/serd

Serf HTTP client library

https://serf.apache.org/

Manage utmp/wtmp entries for non-init X clients

Set the keyboard using the X Keyboard Extension

https://www.freedesktop.org/Software/xorg

Set of utilities that send SCSI commands to devices

http://sg.danny.cz/sg/sg3_utils.html

Fonts from the SGI ProPack 1.4 (originally for Linux)

http://oss.sgi.com/projects/sgi_propack/

Generates groff and HTML from linuxdoc and docbook SGML documents

SGML parser