open source

See also: Open Source, opensource, and open-source

English

Etymology

Compound of open +‎ source, coined by Christine Peterson in 1998 for software as an umbrella term to encompass existing concepts such as free software, freedomware, and sourceware.[1]

Pronunciation

  • (US) IPA(key): /ˈoʊpən ˌsɔɹs/
  • Audio (General American):(file)

Noun

open source (uncountable)

  1. (software) The practice of providing open-source code for a product.
    • 2025 April 1, Thomas Claburn, “Genetic data repo OpenSNP to self-destruct before authoritarians weaponize it”, in The Register[2]:
      OpenSNP, a fourteen-year-old open source repository for genetic records, will shut down and delete all its data at the end of April.
  2. (software) Open-source software in general.
    His contributions to open source are numerous.
  3. (espionage) Information that is in the public domain and available to everybody.

Translations

See also

Verb

open source (third-person singular simple present open sources, present participle open sourcing, simple past and past participle open sourced)

  1. Alternative form of open-source.

References

  1. ^ Christine Peterson (1 February 2018) “How I Coined the Term ‘Open Source’”, in OpenSource.com blog[1], Red Hat, archived from the original on 5 February 2018

Further reading

Dutch

Etymology

Borrowed from English open source.

Pronunciation

  • IPA(key): /oːpənˈsɔːrs/
  • Audio:(file)
  • Hyphenation: open source

Noun

open source c (plural open sources)

  1. open source

Alternative forms