Lightweight alternative to sudo

https://www.keltia.net/programs/calife

GNUstep application for digital still cameras

https://github.com/gsimageapps/Camera

Framework that allows to access digital cameras

https://github.com/gsimageapps/Camera

Cantarell, a Humanist sans-serif font family

https://wiki.gnome.org/Projects/CantarellFonts

Audit Cargo.lock for crates with security vulnerabilities

https://rustsec.org/

Gnome On-Screen keyboard

https://live.gnome.org/Caribou

Managing notes on small cards

Monospaced font with programming ligatures

https://github.com/microsoft/cascadia-code

DataStax C/C++ Driver for Apache Cassandra

https://datastax.github.io/cpp-driver/

Highly scalable distributed database

https://cassandra.apache.org/

Highly scalable distributed database

https://cassandra.apache.org/

MS Word/Excel converter to plain ASCII or TeX. TK viewer included

http://www.wagner.pp.ru/~vitus/software/catdoc/

Coin-or Branch and Cut: mixed integer programming solver

https://projects.coin-or.org/Cbc

Reference implementation of the C interface to the legacy Fortran BLAS

https://www.netlib.org/blas/blast-forum/

Mark Crispin's C-client mail access routines

https://www.washington.edu/imap/

CDDB client bundle GNUstep

https://gsburn.sourceforge.net/

Compare directories and select files to copy

http://home.hccnet.nl/paul.schuurmans/linux/index.html#xdircmp

CDDA extraction tool (also known as ripper)

https://www.xiph.org/paranoia/

Record CD-R[W]s in disk-at-once mode

http://cdrdao.sourceforge.net/

CD/DVD/BluRay and ISO-9660 image creation and extraction tools

http://cdrtools.sourceforge.net/private/cdrecord.html

The CELT ultra-low delay audio codec

https://www.celt-codec.org/

Vector graphics tool for GNUstep

http://www.cenon.info/dLinux_gb.html

Library for reading and writing files in FITS data format

https://heasarc.gsfc.nasa.gov/fitsio/ https://github.com/HEASARC/cfitsio

Fast, lightweight web frontend for Git repositories

https://git.zx2c4.com/cgit/about/

Collection of cut generators for COIN-OR packages that use cuts

https://github.com/coin-or/Cgl

Charis SIL TrueType font collection

https://software.sil.org/charis/

Charis SIL TrueType font collection, compact variant

http://scripts.sil.org/cms/scripts/page.php?item_id=CharisSILfont

Unit test framework for C

https://libcheck.github.io/check/

Find processes that need restarting after an upgrade

https://github.com/Freaky/checkrestart

Photobooth-inspired app for taking pictures and videos from webcam

https://www.gnome.org/projects/cheese/

Feelter thet cunferts Ingleesh text tu Muck Cheenese-a

http://mysite.verizon.net/ebrowne72/chef/index.html

Utility to quickly check multiple folders for new email

Library for dealing with Microsoft ITSS/CHM format files

http://www.jedrea.com/chmlib/

AcoustID audio fingerprinting library

https://acoustid.org/chromaprint

Tool to chroot softwares easily

https://sourceforge.net/projects/chrootsafe/

Tool to modify DT_RPATH in existing ELF binaries

Synchronise computer clock to CHU radio station

https://www.rossi.com/chu/

Fork of GNOME Shell with layout similar to GNOME 2

https://github.com/linuxmint/cinnamon

Control center for Cinnamon

https://github.com/linuxmint/cinnamon

Additional UI API for cinnamon

https://github.com/linuxmint/cinnamon

Additional UI API for cinnamon

https://github.com/linuxmint/cinnamon-menus

Cinnamon screen saver and locker

https://github.com/linuxmint/cinnamon-screensaver/

Session component for the cinnamon desktop

https://github.com/linuxmint/cinnamon

Cinnamon desktop settings daemon

https://github.com/linuxmint/cinnamon

Translations for the cinnamon desktop

https://github.com/linuxmint/cinnamon-translations/

Tool to compress ISO images to CSO format

https://github.com/laffer1/ciso-maker

JavaScript bindings based on gobject-introspection

https://github.com/linuxmint/cjs

Open-source (GPL) anti-virus engine (Regular Feature Release)

https://www.clamav.net/

Update script for third-party ClamAV databases

https://github.com/extremeshok/clamav-unofficial-sigs

Standalone clamav client

http://clamd-stream-cl.sourceforge.net/