| cppcodec | | C++11 library to encode/decode various codes |
| cppunit | | C++ unit testing framework |
| cpputest | | Unit testing and mocking framework for C/C++ |
| cproto | | Generates function prototypes from C source |
| cpu_features | | Cross platform C99 library to get CPU features at runtime |
| cpuflags | | Determine compiler flags to best target current cpu |
| cqual | | Tool for adding type qualifiers to C |
| crates-query | | Query crates.io from command line |
| cre2 | | C wrapper for re2 regular expression library |
| critcl | | Tcl utility to provide on-the-fly compilation and execution of C code |
| cross-libtool-base (V) | | Generic shared library support script (the script itself) |
| crush (V) | | Glamourous AI coding agent for your favourite terminal |
| cscope | | Interactive C program browser |
| cssc | | GNU workalike for the source code control system SCCS |
| ctemplate | | Simple but powerful template language for C++ |
| cunit | | C Unit checking test software |
| cut | | C Unit Tester |
| cutter | | Unit Testing Framework for C and C++ |
| cvise | | Super-parallel Python port of the C-Reduce |
| cvs-fast-export | | Export an RCS or CVS history as a fast-import stream |
| cvs-for-gits | | Make CVS a bit more Gittish |
| cvs2cl | | CVS-log-message-to-ChangeLog conversion script |
| cvs2fossil (V) | | Tool to convert from CVS to fossil |
| cvs2git (V) | | Convert CVS repository to git |
| cvs2hg (V) | | Convert CVS repository to Mercurial |
| cvs2html | | Perl script to turn ``cvs log'' output into HTML |
| cvs2svn | | Converts a CVS repository to a Subversion repository |
| cvsclone | | Clone a CVS repository using the :pserver: access method |
| cvsd | | Run CVS pserver in a chroot-ed environment |
| cvsdiff2patch | | Convert CVS diffs into something that patch(1) understands |
| cvsgraph | | Graphically represents CVS/RCS branches and file revisions |
| cvslock | | Safely manipulate and inspect CVS repositories |
| cvsps | | Generates 'patchset' information from a CVS repository |
| cvsps3 | | Generates 'patchset' information from a CVS repository |
| cvstrac (V) | | Web-based bug and patch-set tracker for CVS, Subversion and GIT |
| cvsup-bin | | Daemon and client for cvsup |
| cvsup-gui-bin | | GUI client for cvsup |
| cvsutils | | CVS utilities to facilitate working |
| cvsync | | Portable incremental cvs repository syncer |
| cxref | | C Cross Referencing & Documenting tool |
| cxxopts | | Lightweight C++ option parser library |
| d-feet (V) | | D-Feet is a powerful dbus debugger |
| darcs | | Distributed revision control system |
| darts | | C++ template library that implements Double-Array |
| dash-el | | Modern list api for Emacs. No 'cl required |
| dconf | | Backend for gsettings |
| dconf-editor | | GSettings editor |
| ddd | | Data Display Debugger -- graphical front-end for GDB/DBX/XDB |
| debugcon_printf | | Bochs/Qemu debugcon printf() loadable kernel module for NetBSD |
| deforaos-asm | | DeforaOS (dis)assembly framework |
| deforaos-coder | | DeforaOS Coder |
| deforaos-configure | | DeforaOS automated Makefile generation tool |
| deforaos-cpp | | DeforaOS C code pre-processing library |
| deforaos-libsystem | | DeforaOS core system library |
| dejagnu | | TCL/Expect-based framework for regression testing |
| delta | | Heuristically minimizes interesting files |
| dev86 | | C compiler, assembler and linker for 8086 executables |
| devhelp | | Tool for browsing and searching API documentation from GNOME |
| device-driver-doc-de | | Device driver documentation in German |
| devIL | | Developer's Image Library |
| dia2code | | Small utility used to generate code from a Dia diagram |
| diff-so-fancy | | Optimize diffs for human readability |
| diffbreaker | | Tool to manuipulate unified diffs using curses |
| diffsitter | | Tree-sitter based AST difftool to get meaningful semantic diffs |
| diffsplit (V) | | Splits a unified diff into pieces which patch one file each |
| difftastic | | Syntax-aware diffing tool |
| diffutils | | GNU diff utilities - find the differences between files |
| distcc | | Tool for distributed C/C++ compiling |
| distcc-pump | | Accelerated remote compilation with distcc |
| distccmon-gtk | | Graphical monitor for distcc, the distributed C/C++ compiler |
| dlcompat | | Library for dlopen() emulation on Darwin |
| dmake | | Portable make supported by many platforms |
| dmalloc | | Run-time configurable debugging malloc library |
| doc++ | | Documentation system for C, C++ and Java |
| docopt.cpp | | C++11 port of docopt |
| dolphin-plugins | | Extra Dolphin plugins |
| dotconf | | Simple-to-use and powerful configuration-file parser library |
| doxygen | | Documentation system for C++, Java, IDL and C |
| doxymacs | | Doxygen editing support for Emacs |
| dumpet | | Dump information about bootable CDs and other similar formats |
| easygit | | Git porcelain wrapper in Perl |
| ecb | | Emacs Code Browser |
| ecore | | Event Abstraction and Modular Convenience Library |
| editline | | NetBSD Editline library (libedit) for generic line editing |
| editorconfig-core | | Editorconfig C library |
| eet | | Library for speedy storage, retrieval, and compression |
| efivar | | Tools and libraries to work with EFI |
| egypt | | Simple tool for creating call graphs of C programs |
| eina | | Data types library |
| eio | | Enlightenned Asynchronous Input Output library |
| electric-fence | | Different kind of malloc() debugger |
| elf | | ELF header analyzer |
| elfcat | | Dump sections or program entries from a ELF file |
| elfio | | C++ library for reading and generating ELF files |
| elfsh | | ELF format exploration shell |
| elftoolchain | | Compilation tools (nm, ar, as, ld, etc.) for the ELF object format |
| elib | | Library of utility functions for Emacs |
| emacs-ilisp | | Emacs interface to embedded Lisp process |
| emacs20-elib | | Library of utility functions for Emacs |
| empty | | Simple replacement for expect |