Letter: C
- CCfits - A C++ interface for cfitsio
- CCfits-devel - Headers for developing programs that will use CCfits
- CCfits-docs - Documentation for CCfits, includes full API docs
- Coin2 - High-level 3D visualization library
- Coin2-devel - Development files for Coin
- c-ares - A library that performs asynchronous DNS operations
- c-ares-devel - Development files for c-ares
- cabextract - Utility for extracting cabinet (.cab) archives
- caca-utils - Colour AsCii Art Text mode graphics utilities based on libcaca
- cacti - An rrd based graphing tool
- cal3d - Skeletal based 3-D character animation library
- cal3d-devel - Header files, libraries and development documentation for Cal3D
- cal3d-doc - Documentation files for Cal3D
- camE - Rewrite of the xawtv webcam app, which adds imlib2 support
- camlp4 - Pre-Processor-Pretty-Printer for OCaml
- camstream - Set of programs to make use of your webcam
- ccache - C/C++ compiler cache
- ccid - Generic USB CCID smart card reader driver
- ccrtp - Common C++ class framework for RTP/RTCP
- ccrtp-devel - Header files and libraries for ccrtp development
- cd-discid - utility to get CDDB discid information
- cdlabelgen - Generates frontcards and traycards for inserting in CD jewelcases
- cdo - A program for manipulating GRIB/NetCDF/SERVICE/EXTRA files
- cegui - Free library providing windowing and widgets for graphics APIs / engines
- cegui-devel - Development files for cegui
- cegui-devel-doc - API documentation for cegui
- celestia - OpenGL real-time visual space simulation
- centericq - Text mode menu- and window-driven IM
- cernlib - General purpose CERN library and associated binaries
- cernlib-devel - General purpose CERN library static libraries and headers
- cernlib-packlib - I/O, network and other utilities from the cernlib
- cernlib-utils - CERN library compilation and environment setting scripts
- cfengine - A systems administration tool for networks
- cfitsio - Library for manipulating FITS data files
- cfitsio-devel - Headers required when building programs against cfitsio
- cfs - Userspace crypto-filesystem
- cfs-utils - Some (inofficial) utilities for cfs
- cgoban - X board for playing go
- charis-fonts - Charis SIL fonts
- check-devel - Libraries and headers for developing programs with check
- chkrootkit - Tool to locally check for signs of a rootkit
- chmlib - Library for dealing with ITSS/CHM format files
- chmlib-devel - Library for dealing with ITSS/CHM format files - development files
- chrpath - Modify rpath of compiled programs
- cksfv - Utility to manipulate SFV files
- clamav - End-user tools for the Clam Antivirus scanner
- clamav-data - Virus signature data for the Clam Antivirus scanner
- clamav-devel - Header files and libraries for the Clam Antivirus scanner
- clamav-lib - Dynamic libraries for the Clam Antivirus scanner
- clamav-milter - Sendmail-milter for the Clam Antivirus scanner
- clamav-server - Clam Antivirus scanner server
- clamav-update - Auto-updater for the Clam Antivirus scanner data-files
- clearsilver - Fast and powerful HTML templating system
- clearsilver-devel - ClearSilver development package
- clips - CLIPS language for developing expert systems
- clips-devel - Headers for developing programs that will embed CLIPS
- clips-doc - Documentation for CLIPS
- clips-libs - Run-time libraries for CLIPS applications
- clips-xclips - X interface to CLIPS
- clisp - Common Lisp (ANSI CL) implementation
- clisp-devel - Development files for CLISP
- cln - Class Library for Numbers
- cln-devel - Development files for programs using the CLN library
- cmake - Cross-platform make system
- cmucl - CMU Common Lisp compiler
- cmucl-extras - Extra tools and libraries for CMU Common Lisp
- cogito - The Cogito Version Control System
- colordiff - Color terminal highlighter for diff files
- colorscheme - Generate a variety of colorschemes from a single starting color
- comical - GUI comic book viewer
- commoncpp2 - GNU Common C++ class framework
- commoncpp2-devel - Header files and libraries for commoncpp2 development
- compat-erlang - General-purpose programming language and runtime environment
- compat-wxGTK - Compatibility version of the wxWidgets GTK GUI library
- compat-wxGTK-common - wxGTK* common files
- compat-wxGTK-common-devel - wxGTK* common development files
- compat-wxGTK-devel - Development files for the wxGTK library
- compat-wxGTK-gl - OpenGL add-on for the wxWidgets library
- compat-wxGTK-stc - Styled text control add-on for the wxWidgets library
- compat-wxGTK-xrc - The XML-based resource system for the wxWidgets library
- compat-wxGTK2 - Compatibility version of the wxWidgets GTK2 GUI library
- compat-wxGTK2-devel - Development files for the wxGTK2 library
- compat-wxGTK2-gl - OpenGL add-on for the wxWidgets library
- compat-wxGTK2-stc - Styled text control add-on for the wxWidgets library
- compat-wxGTK2-xrc - The XML-based resource system for the wxWidgets library
- compat-wxPythonGTK2 - Compatibility version of the wxWidgets GUI toolkit for Python
- compface - Library for handling X-Faces
- cone - CONE mail reader
- cone-devel - LibMAIL mail client development library.
- cone-doc - Documentation for the CONE email client
- conexus - C++ network and serial communication library
- conexus-devel - Headers for developing programs that will use conexus
- conglomerate - Extensible XML Editor
- conman - ConMan - The Console Manager
- connect-proxy - SSH Proxy command helper
- conntrack - Tool to manipulate netfilter connection tracking table
- conserver - Serial console server daemon/client
- conserver-client - Serial console client
- contact-lookup-applet - Contact Lookup Applet
- convmv - Convert filename encodings
- cook - File construction tool
- cpan2rpm - Perl module packager
- cpanspec - RPM spec file generation utility
- cppunit - C++ unit testing framework
- cppunit-devel - Libraries and headers for cppunit development
- cppunit-doc - HTML formatted API documention for cppunit
- cproto - Generates function prototypes and variable declarations from C code
- crack - Password cracker
- crm114 - CRM114 Bayesian Spam Detector
- crm114-emacs - CRM114 mode for Emacs
- crossfire - Server for hosting crossfire games
- crossfire-client - Client for connecting to crossfire servers
- crossfire-client-images - Image cache for crossfire clients
- crossfire-devel - Development files for writing crossfire plugins
- crossfire-doc - Documentation files for Crossfire
- crossfire-maps - Map files for the crossfire server
- crossfire-maps-devel - Development tools for writing crossfire maps
- crossfire-plugins - Plugin modules for the crossfire game server
- crystal - KDE window decoration
- csmash - 3D tabletennis game
- ctapi-common - Common files and packaging infrastructure for CT-API modules
- ctapi-cyberjack - CT-API 1.1 driver for REINER SCT cyberjack USB chipcard reader
- ctapi-cyberjack-devel - Development files for libctapi-cyberjack
- ctapi-cyberjack-pcsc - PC/SC Module
- ctorrent - BitTorrent Client written in C
- ctrlproxy - ctrlproxy
- curry - Münster Curry compiler
- cvs2cl - Generate ChangeLogs from CVS working copies
- cvsgraph - CVS/RCS repository grapher
- cvsplot - Collect statistics from CVS controlled files
- cvsps - Patchset tool for CVS
- cvsup - CVS-Optimized General-Purpose Network File Distribution System client
- cvsup-contrib - CVSup user contributed helper tools
- cvsupd - CVS-Optimized General-Purpose Network File Distribution System server
- cvsutils - CVS Utilities
- cvsweb - Web interface for CVS repositories
- cyrus-imapd - A high-performance mail server with IMAP, POP3, NNTP and SIEVE support.
- cyrus-imapd-devel - Cyrus IMAP server development files.
- cyrus-imapd-murder - Cyrus IMAP server murder aggregator system files.
- cyrus-imapd-nntp - Cyrus IMAP server NNTP system files.
- cyrus-imapd-utils - Cyrus IMAP server administration utilities.