Model

Grants

Institutional or programmatic funding for specific open source outcomes.

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Projects aligned with public infrastructure, research, ecosystem priorities, or social good. Can be high-value, but competitive and time-bound.

Live listings

11 live listings

Live listings are platforms currently available to open source projects.

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FLOSS/fund

FLOSS/fund

Zerodha’s global fund supports the sustainability of established free and open source projects through direct funding.
Live Grants OSS-specific
Gitcoin

Gitcoin

Gitcoin runs web3-native grant rounds and other funding mechanisms for public-goods and Ethereum ecosystem projects.
Live Grants Verified Generic platform Decentralized

GitHub Secure Open Source Fund

GitHub’s Secure Open Source Fund awards selected projects $10,000 per project, paid directly to maintainers, plus security training, support, and cloud credits.
Live Grants Verified OSS-specific Security
Google Summer of Code

Google Summer of Code

Google Summer of Code funds new contributors to work with open source organizations on mentored software projects.
Live Grants OSS-specific Education

Microsoft FOSS Fund

Microsoft’s employee-nominated FOSS Fund sponsors open source projects used by Microsoft. Maintainers cannot apply directly.
Live Grants Verified OSS-specific
NLnet

NLnet

NLnet funds people and organizations building open source, open standards, open hardware, and other digital commons technologies.
Live Grants OSS-specific Non-profit
NumFOCUS

NumFOCUS

NumFOCUS provides funding and resources for open source scientific computing projects.
Live Grants OSS-specific Non-profit
Open Source Security Foundation

Open Source Security Foundation

A Linux Foundation initiative to provide a forum for a collaborative, cross-industry effort for ensuring open source security.
Live Grants OSS-specific Non-profit Security
Season of Docs

Season of Docs

Google Season of Docs funds open source organizations to improve documentation by hiring technical writers.
Live Grants OSS-specific Non-profit Documentation
Sovereign Tech Fund

Sovereign Tech Fund

The Sovereign Tech Fund supports the development, improvement and maintenance of open digital infrastructure.
Live Grants OSS-specific
Status

Status

Status supports open source contributors through ecosystem funding, grants, and public-good crypto initiatives.
Live Grants OSS-specific Decentralized
Historical records: 2 discontinued listings

Historical records are kept for research and comparison, not as active recommendations.

Core Infrastructure Initiative

Core Infrastructure Initiative

A Linux Foundation initiative to collaboratively identify, fund and support critical elements of the global information infrastructure that are in need of assistance.
Historical record
Free and Open Source Software Audit

Free and Open Source Software Audit

FOSSA was an EU-backed programme for funding security audits, bug bounties, and related support for critical open source software.
Historical record