Distros

BunsenLabs Linux is a distribution offering a light-weight and easily customizable Openbox desktop. The BunsenLabs distribution is based on Debian's Stable branch and is a community continuation of the CrunchBang Linux distribution.

CAINE (Computer Aided INvestigative Environment) is an Ubuntu-based GNU/Linux live distribution created as a project of digital forensics. It offers a complete forensic environment that is organised to integrate existing software tools as software modules and to provide a friendly graphical interface. The main design objectives that CAINE aims to guarantee are: an interoperable environment that supports the digital investigator during the four phases of the digital investigation, a user-friendly graphical interface, and a semi-automated compilation of the final report.

Calam Arch Installer is an Arch-based Linux distribution created to facilitate the installation of an Arch Linux system to a hard disk. It is also a full-featured live Linux system with Xfce as the preferred desktop. The Calamares system installer offers a choice of several popular desktop environments and window managers, including Budgie, Cinnamon, Deepin, GNOME, i3, KDE Plasma, MATE, Openbox and Xfce. The distribution also offers support for both BIOS and UEFI boot, as well as hard disk encryption with LUKS.

Calculate Linux is a Gentoo-based family of three distinguished distributions. Calculate Directory Server (CDS) is a solution that supports Windows and Linux clients via LDAP + SAMBA, providing proxy, mail and Jabbers servers with streamlined user management. Calculate Linux Desktop (CLD) is a workstation and client distribution (with a choice of Cinnamon, KDE Plasma, LXQt, MATE or Xfce desktops) that includes a wizard to configure a connection to Calculate Directory Server. Calculate Linux Scratch (CLS) is a live CD with a build framework for creating a custom distribution.

Canaima GNU/Linux is a Venezuelan desktop distribution based on Debian GNU/Linux. It is primarily designed as a solution for the computers of National Public Administration in accordance with the presidential decree number 3.390 about the use of free technologies in National Public Administration in the country.

Catbird Linux is a desktop Linux distribution based on Debian's "Unstable" branch and featuring the minimalist dwm window manager. It is designed for more technical users with needs for media creation, web scraping or software programming. The distribution includes content creation software (Audacity, GIMP, ImageMagick, Inkscape, OBS-Studio, Shotcut, LibreOffice), various data science and artificial intelligence tools, Go and Lua programming languages, and many powerful command-line tools. Catbird Linux is built primarily to run as a live environment from a flash drive, although various options to install it to hard drive are also provided.

CentOS as a group is a community of open source contributors and users which started in 2003 and has been sponsored by Red Hat since 2014. CentOS Linux versions up to CentOS Linux 8 are 100% compatible rebuilds of Red Hat Enterprise Linux, in full compliance with Red Hat's redistribution requirements. In 2020 it was announced CentOS Linux is being discontinued and replaced with CentOS Stream, a developer-focused distribution which acts as a middle-stream between Fedora and Red Hat Enterprise Linux.