Standard
Open Source Definition
The Open Source Definition lists ten criteria a software licence must meet to count as open source; the Open Source Initiative publishes it.
How it connects
Who is behind it
- Open Source Definition governed by Open Source Initiative. Published and maintained by the Open Source Initiative.
Related to
- Open Source Definition relates to Open licence. OSI-approved licences are licences that comply with it.
- Open Source Definition relates to Open-source software. The usual definition of open-source software.
Links
Details
Also known as: OSD
Description
Version 1.9 dates from 22 March 2007 and opens by saying open source does not just mean access to the source code. The Open Source Initiative approves licences that comply with it.
Attributes
| url | https://opensource.org/osd |
|---|---|
| identifiers | wikidata: Q2367020 |
| status | active |
| governance | Nonprofit |
| prominence | extended |
| type | Standard |
| standardKind | certification-criteria |
| specVersion | 1.9 |
| Tags | region: global, openness: open source |
Sources
- https://opensource.org/osd(opens in a new tab) (accessed 2026-11-13): Version 1.9, last modified 22 March 2007; 10 criteria.
- https://opensource.org/licenses(opens in a new tab) (accessed 2026-11-13): An OSI-approved licence must comply with the OSD.
- https://www.wikidata.org/wiki/Q2367020(opens in a new tab) (accessed 2026-11-13)
Last reviewed: 2026-11-13
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