OpenWrt is a Linux-based open-source operating system targeting embedded devices, primarily used as a router and network gateway firmware. Unlike the proprietary firmware shipped with consumer routers, OpenWrt provides a fully writable filesystem with package management, giving you complete control over your network hardware. It is the most popular open-source router firmware in the world, […]

VyOS is a fully open-source, enterprise-grade network operating system based on Debian Linux, providing routing, firewall, and VPN functionality for bare metal, cloud, and edge environments. It offers a complete networking stack that competes with commercial router platforms while remaining free and transparent under the GPLv2 licence. Originally forked from Vyatta in 2013 after the […]

pfSense is the world’s most trusted open-source firewall and router platform, based on FreeBSD and developed by Netgate as the foundation of its security appliance and cloud offerings. It transforms any standard x86 computer into a full-featured enterprise firewall, delivering comprehensive routing, VPN, traffic shaping, and unified threat management capabilities through an easy-to-use web interface. […]

OPNsense is an open-source, FreeBSD-based firewall and routing platform developed by Deciso, designed as a comprehensive network security solution for home, small business, and enterprise environments. It combines the feature set of expensive commercial firewalls with the transparency of open-source software, offering a stateful firewall, intrusion detection and prevention, VPN connectivity, web filtering, traffic shaping, […]

Overview openSUSE is a free and open-source Linux distribution sponsored by SUSE, one of the oldest Linux companies. It offers two main variants: Tumbleweed (a rolling release with the latest packages) and Leap (a stable release sourced from SUSE Linux Enterprise). openSUSE is known for its powerful system administration tools and commitment to both cutting-edge […]

Overview Alpine Linux is a security-oriented, lightweight Linux distribution built around musl libc and BusyBox instead of glibc and GNU Core Utilities. Its minimal base image is around 5 MB, making it extremely popular for containerised environments including Docker. Alpine compiles all user-space binaries as position-independent executables with stack-smashing protection for enhanced security. Key Features […]

Overview Rocky Linux is a community-supported enterprise Linux distribution designed to be a 1:1 binary-compatible downstream build of Red Hat Enterprise Linux (RHEL). Created in 2021 by the Rocky Enterprise Software Foundation after CentOS shifted to a rolling upstream model, it fills the gap for a free, production-grade RHEL-compatible operating system with long-term support. Key […]

Overview OpenBSD is a security-focused, free Unix-like operating system forked from NetBSD in 1995 by Theo de Raadt. The project’s hallmarks are proactive security auditing, correctness, and integrated cryptography. OpenBSD developers perform rigorous, continuous code review, resulting in an operating system that has had only two remote holes in the default install in over two […]

Overview FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution (BSD). First released in 1993, it is the most widely used BSD-derived OS. FreeBSD delivers a complete operating system — kernel, drivers, userland utilities, and documentation — all developed together as a single project, distinct from the Linux model […]

Overview Arch Linux is a minimalist, rolling-release Linux distribution focused on simplicity, modernity, and user empowerment. Users build their system from a bare-bones base install, choosing every component themselves. The rolling-release model means a single installation is continually updated with the latest software versions without ever needing a full reinstall. Key Features Pacman Package Manager: […]