Debian GNU/Linux is a Debian-family Linux distribution based on Independent. The Universal Operating System — peer-reviewed, battle-tested standard of open-source stability.
Strengths: Legendary stability and reliability; Purely community-governed with a strict Social Contract; Hardware support from micro-controllers to supercomputers. Trade-offs: Software in 'Stable' branch can be 1-2 years older than upstream; Installer requires some basic partitioning understanding.