# open-source

> English word · Adjective · IPA /ˈəʊpən ˌsɔːs/

## Definitions
1. Of or relating to software where the source code is freely available and licensed in a manner that permits modification and redistribution.
2. Describing any product whose composition or method of manufacturing is public knowledge and not proprietary.
3. Relying on publicly available information (open sources).

## Etymology
See open source.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/open-source