The alliance emphasized the importance of a new codec—a computer program capable of compressing and decompressing digital data—that is free and flexible to use for both commercial and non-commercial content, including user-generated content, for individuals and organizations.
Source: tatoeba (11884416)
This article can be freely copied or translated for non-commercial purposes if the source is mentioned.
Source: tatoeba (13239459)
NR's own guidelines clearly state that non-commercial photography by rail enthusiasts and passengers is not only permitted but "welcomed" at stations it manages directly and those managed by other operators.
Source: wiktionary