LibreCMC: For computers with minimal resources
Reviewed by Marco Wollank
LibreCMC
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Threat level
Hardened
A hardened pick. Worth the effort once you have chosen to shrink your footprint on purpose. Enough for most people. Threat levels
Our take
The purist’s choice, a fully free-software router firmware endorsed for using no proprietary blobs, which is exactly why someone deep in the free-software world would pick it. That ideological strictness is also the practical limit: it supports a narrow set of low-resource devices and lacks OpenWrt’s breadth of hardware and features. Pick LibreCMC when running 100% free software on your router is a hard requirement. If you mainly want a capable, flexible router OS, OpenWrt supports far more devices and will frustrate you less.
Website at a glance
librecmc.org
A- score 85
Strong website security headers
Graded by Mozilla HTTP Observatory, tested 7d ago
Inspect this site yourself
Measures the security configuration of the tool's own website, not the privacy of the product itself. A strong tool can still score low here.
LibreCMC alternatives
OpenWrt OpenWrt: Embedded operating system based on Linux secure by default
OPNsense OPNsense is a FreeBSD-based open-source firewall and routing platform, forked from pfSense. It provides a web-based interface for stateful firewall rules, VPN (WireGuard, OpenVPN, IPsec), traffic shaping, intrusion detection via Suricata, and a plugin system.
pfSense pfSense: Firewall and router software based on FreeBSD
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