open source

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open source

  • /ˈoʊpən ˌsɔɹs/ US

Where it comes from

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.

noun

  1. uncountable The practice of providing open-source code for a product. 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. uncountable Open-source software in general. His contributions to open source are numerous.
  3. uncountable Information that is in the public domain and available to everybody.

verb open sources · open sourcing · open sourced

  1. alternative Alternative form of open-source

Translations

Every language

noun practice

Españolcódigo abierto
日本語オープンソース ōpun sōsu
中文開源 /开源 kāiyuán
Portuguêscódigo aberto
Françaiscode source ouvert
DeutschOpen Source
Italianocodice aperto, open source
Ελληνικάανοικτός κώδικας anoiktós kódikas

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Cite this
MLA

"open source." Wiktionary, via Micwyn, micwyn.com/word/open%20source. Accessed 6 Nov. 2026.

APA

open source. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/open%20source

Chicago

"open source." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/open%20source.

BibTeX
@misc{open_source_2026,
  title = {open source},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/open%20source},
  urldate = {2026-11-06}
}