(en) Manuel Kasper, « m0n0wall », sur m0n0.ch (consulté le ) : « m0n0wall is a project aimed at creating a complete, embedded firewall software package that [...] provides all the important features of commercial firewall boxes (including ease of use) at a fraction of the price (free software). ».
(en) « Thank you Manuel! », sur opnsense.org (consulté le ) : « Manuel Kasper announced the end of active development of m0n0wall on February 15th, 2015 precisely 12 years after its conception. ».
