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Open Source Initiative


Used as filename or fragment reference: osi
Common Name: Open Source Initiative
Legal Name: Open Source Initiative
Founding Date: 1998
Location: US
State: CA
Accepts new projects?: no
Software Types: non-code
Wikidata ID: Q845918


Board Size: 10
Board Type: elected
Board Website:
Bylaws Website:
Approx Number Of Paid Staff: 6
Project List Website:
Nonprofit Type: Nonprofit501c3
Governance documentation (when available): Search for docs on FOSS Governance


Tax Authority ID: 91-2037395
Budget in USD: 406576
Budget Year: 2021
Budget Website:
Funding Sources: sponsors, donations
Sponsor List Website:
Sponsorship Model(s): osi


Licenses Used: various
Ethics/COI Policy:
Code Of Conduct Website:


Primary Brand Name: OSI
Secondary Brand Name(s): OSD; OSI logos
Is Primary Brand Registered?: yes
Trademark Policy Website:
Trademark Policy Description: Applies to their "approved licenses" trademarks/logos.
Official Logo Link:
Is Logo Registered?: yes

Tax Financial Data

IRS determination date: 2000-08-01
NTEE Code: U41
Approximate financial status from ProPublica JSON data
Tax Period: 2022-12-01
Assets EOY: 770719
Revenue: 739664

The Open Source Definition is the foundation of the modern software ecosystem.