Open sourceとは 意味・読み方・使い方

発音

• (米国発音) IPA: /ˈoʊpən ˌsɔɹs/

名詞

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:

     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.

派生語

関連する語

• open-source
• OSINT (“open-source intelligence”)

参考

• open core

動詞

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.

参照

Further reading

• open source on Wikipedia.Wikipedia

別の表記

• open source, opensource

語源

See open source.

発音

• (米国発音) IPA: /ˈoʊpən ˌsɔɹs/

形容詞

open-source (not comparable)

1. (software) Of or relating to software where the source code is freely available and licensed in a manner that permits modification and redistribution.

   Linux is an open-source operating system.

   • 2014, Jon Galloway, Brad Wilson, K. Scott Allen, David Matson, Professional ASP.NET MVC 5, John Wiley & Sons, →ISBN, page 10:

     ASP.NET MVC has been under an open-source license since the initial release, but it was just open-source code instead of a full open-source project.

   • 2025 April 2, Bill Toulas, “Genetic data site openSNP to close and delete data over privacy concerns”, in BleepingComputer‎:

     OpenSNP constituted a rare example of how open-source projects can successfully operate on a low budget, having repeatedly rejected offers from corporations to sell control of the data.

2. (by extension) Describing any product whose composition or method of manufacturing is public knowledge and not proprietary.

   open-source cola

3. (espionage) Relying on publicly available information (open sources).

   open-source intelligence

   • 2023 December 16, Eliot Higgins, “Moment of truth”, in FT Weekend, Life & Arts, page 1:

     The ramifications of disinformation spill on to the streets with tangible, often devastating real-world consequences. These processes were already under way in 2014, when I founded the open-source investigative group Bellingcat.

反意語

• closed-source

派生語

• open-sourceness

参考

• free software
• source-available

動詞

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

1. (transitive, computing) To release the source code of, so as to permit modification and redistribution.
   • 2005, David Brickner, Test Driving Linux: From Windows to Linux in 60 Seconds:

     The big Unix company Sun Microsystems bought the code for StarOffice in 1999, and some time afterward they open-sourced as much of it as they could.