olemus
ISO/IEC/IEEE 24765, ISO/IEC 25030, 25040:
turupõhise vajadusega määratletud ja kaubanduslikult saadavalolev tarkvaratoode, mille kasutuskõlblikkust on tõestanud suur hulk ärilisi kasutajaid
= software product defined by a market-driven need, commercially available, and whose fitness for use has been demonstrated by a broad spectrum of commercial users

ülevaateid
https://www.techtarget.com/searchdatacenter/definition/COTS-MOTS-GOTS-and-NOTS

https://en.wikipedia.org/wiki/Commercial_off-the-shelf

https://itechnolabs.ca/commercial-off-the-shelf-software-cots-advantages-and-examples/