English Reference

Word

open source

Definition

adj. Describes software whose code anyone can look at, change, or share.

adj. Describing software whose source code is publicly available for inspection, modification, and redistribution under a specified license.

Examples

“The company released an open-source AI model.”

“Developers can modify the open-source software under its license.”

Examples

simple

“The company released an open-source AI model.”

contextual

“Developers can modify the open-source software under its license.”

Real-World Examples

“The report was based on satellite images, open-source videos and testimonies from migrants.”
The Local · 23 Sept 2026
“Meanwhile, open-source tools we're developing, such as BTEXgenie , search bacterial genomes for genes that can help them degrade pollution.”
Phys.org · 19 Sept 2026

Etymology

open from Old English open + source from Old French sourse.

Original etymology written by .

Domain

Technology

This entry

Level
C1 · Advanced
Updated

Scan code

englishreference.com/q/open-source

English Reference