The scientists then carried out their experiments at the same level of security as their other work with the coronaviruses, known as Biosafety Level 3, or BSL-3. 2022 July 15, Carl Zimmer, “Bat Virus Studies Raise Questions About Laboratory Tinkering”, in The New York Times, →ISSN:
(abbreviation, acronym, alt-of, countable, uncountable) Acronym of breed-specific legislation.
The BSL is a ‘Source Available’ license that freely allows using the code for development and other non-production work such as testing. Production use of the software requires a commercial license from Lightbend. 2022 September 8, Paul Kunert, quoting Jonas Bonér, “Open source biz sick of FOSS community exploitation overhauls software rights”, in The Register:
(abbreviation, alt-of, initialism) Initialism of Boost Software License.