of software : having the source code freely available for possible modification and redistribution
an open-source operating system
: of, relating to, or promoting open-source software
the open-source movement/community
Instead, they opted for the open-source model, in which computer code is openly shared, allowing programmers to modify, improve and fix the software.Steve Lohr
: publicly available for use by the community at large
open-source images
The team uses open-source materials such as obituaries in local newspapers and cemetery visits for its count.Brendan Hoffman
: relating to or utilizing information that is publicly available
an open-source analysis
Since the advent of the internet, social media and smartphones, open-source intelligence has undergone a revolution as people willingly and publicly post vast amounts of information online. Actors outside of the traditional intelligence community have begun to take notice.Nick Waters

Examples of open-source in a Sentence

Recent Examples on the Web Drone flight controllers are commodity items which typically run the open-source software Betaflight, a standard in the drone racing community, but supplies are still limited. David Hambling, Forbes, 15 Feb. 2024 The news release said open-source video showed Carnell discussing documents taken off of a Senator’s desk while Bowman reviewed, photographed and later texted other materials from the desk. Jeff A. Chamer, Charlotte Observer, 12 Feb. 2024 The open-source eyewear comes from a startup called Brilliant Labs, which touts Frame as a way to get AI translations, web search, and visual analysis right in front of your eyes. Emma Roth, The Verge, 9 Feb. 2024 In a sop to France, free and open-source general-purpose models, such as those offered by Parisian AI darling Mistral, are subject to lighter risk assessments. Jeremy Kahn, Fortune, 6 Feb. 2024 That share stood at 8.5% in January, a slight uptick from recent months that still left this open-source browser in fourth place after Google’s Chrome (58.7%), Microsoft’s Edge (16.7%), and Apple’s Safari (13.4%). Rob Pegoraro, PCMAG, 6 Feb. 2024 Wright has used his claim as bitcoin's inventor to file litigation to drive developers away from further developing the open-source technology, the alliance claims in their lawsuit. Brian Melley, Quartz, 6 Feb. 2024 For over a decade, Megill had been toiling in relative obscurity as the co-founder of Polis, a nonprofit open-source tech platform for carrying out public deliberations. TIME, 5 Feb. 2024 In December, Meta activated a test where users could follow the head of Instagram’s Threads feed on an open-source social media platform, Mastodon. Reece Rogers, WIRED, 2 Feb. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'open-source.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1957, in the meaning defined at sense 2

Time Traveler
The first known use of open-source was in 1957

Cite this Entry

“Open-source.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/open-source. Accessed 1 Mar. 2024.

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