In the application to software, Bruce Perrens most definitely did define ther term, based on the Debian Free Software Guidelines, and the Free Software Foundation's Three Freedoms definition of Free Software, in June 1997:
The term was not previously used with regard to software, though the intelligence community have used the phrase "open sources" to refer to unclassified information.b
In the application to software, Bruce Perrens most definitely did define ther term, based on the Debian Free Software Guidelines, and the Free Software Foundation's Three Freedoms definition of Free Software, in June 1997:
https://opensource.org/docs/osd
https://www.debian.org/social_contract#guidelines
https://perens.com/2017/09/26/on-usage-of-the-phrase-open-so...
The term was not previously used with regard to software, though the intelligence community have used the phrase "open sources" to refer to unclassified information.b