CentOS Alternatives

Kali Linux is a Debian-based Linux distribution aimed at advanced penetration testing and security auditing of computer systems and networks. Kali Linux contains several hundred pre-installed tools which are geared towards various information security tasks, such as computer forensics, penetration testing, reverse engineering and security research.

MX Linux is a Debian-based Linux distribution created by the MX community. The operating system is a cooperative venture between antiX and MX Linux communities. MX Linux desktop environment is based on Xfce and provides a fast, low-resource and friendly experience. It includes modular core components for the full functionality expected from a modern desktop environment. A collection of powerful and handy “MX Tools” that cover a range of actions from boot options to repository management. A fast package manager that can install from Popular Applications, MX Test Repo, Debian Backports and Flatpaks.

A fast and friendly, desktop oriented operating system based on Debian Linux. Q4OS provides a set of dedicated utilities and specific optimizations, combined with a focus on getting a productive system easily. This makes it ideal for people who want to get a working environment tailored to individual needs and preferences. Q4OS is a also a good choice for virtual cloud environments due to its very low hardware.

Sailfish OS is a European developed mobile operating system that offers exlusive licensing model for local implementations. Sailfish OS provides a deeper level of security including features, such as Mobile Device Management (MDM), fully integrated VPN solutions, enterprise WiFi, data encryption, and better and faster performance. Allowing you to enjoy a privacy focused and secure operating system for your mobile devices.

OxygenOS is a mobile operating sytem for the OnePlus series of Android phone. It provides a refreshingly simple user interface that allow you to navigate more efficiently with intuitive gestures to access what's important, and enjoy a more personalized user experience. OxygenOS is co-developed with the open source community and released as free and open software.

Kubuntu is a Linux distribution that provides all you need to have fun and be effective your computer. It's a great free and open-source alternative to Windows or macOS. Kubuntu unites Ubuntu with KDE and the Plasma desktop environment, bringing you a full set of applications. The installation includes productivity, office, email, graphics, photography, and music applications ready to use at startup.

FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution. FreeBSD was first released as in 1993, and is today the most popular free and open-source BSD operating system on the market today. In total, FreeBSD accounts for more than 75% of the market. FreeBSD can be installed easily on most machines and is licensed under the permissive BSD License.

ReactOS is a free and open-source Windows-like operating system for amd64/i686 computers. ReactOS was designed to be binary-compatible with computer programs and device drivers made for Windows Server 2003 and Microsoft Windows NT family of operating systems including Windows NT4, Windows 2000, Windows XP, Windows 2003, Windows Vista and Windows Seven. To Some, ReactOS is a potential open-source drop-in replacement for Windows and for its information on undocumented Windows APIs

Bliss OS is a free and open-source operating system based on the mobile operating system, Android. It features  many optimizations and expanded device support and is avalible for Chrombook, Linux and Windows PCs. The project is developed by an 501 (c3) Non-Profit organization who's mission is to provide a variety of resources to the open-source community and others around the world by creating and fostering an all-inclusive learning environment for seasoned developers and newcomers.

macOS is a series of proprietary operating systems native to the Apple ecosystem. The operating system powers all of Apples desktop and laptop computers and is the second most popular operating system in the world after Windows.

Elementary OS is a neat and coherent, free and open source operating system based on the Linux distribution Ubuntu. The simplicity of Elementary OS makes it a perfect choice for people switching from other popular operating systems such as macOS or Windows. Elementary OS is a feature complete operating system that comes with its own desktop environment called Pantheon and custom built, pre-installed utility applications such as Photos, Music, Videos, Calendar, Terminal, Files, and more.

The Amnesic Incognito Live System or Tails for short is a portable operating system that protects you against surveillance and censorship. The operating system can started from a USB stick on any macOS, Linux or Windows computer, leaving no trace on that computer after it has been shutdown. Allowing you to make any computer into a Tails protect environment free of surveillance. Tails includes a variety of open source tools that can be used to browse the web, edit document and communicate saftley. Including Tor, Tor Browser, Pidgin, Network Manger, VeraCrypt, GNUPG, MAT, KeePassXC, GtkHash and many more.