Funding_for_Open_Source_Grants
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Non-dilutive institutional funding and public interest grants for open-source software, digital commons, and critical infrastructure.
Active Programs34 open calls
Currently Available€12.4m verified
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Current Verified Opportunities
NLnet Foundation / European Commission
NGI0 Commons Fund
Open Call
Funding Amount€5,000 – €50,000
DeadlineDec 1, 2026
GeographyGlobal / EU
Eligibility: Free and open source software developers and independent teams
Federal Ministry for Economic Affairs (Germany)
Sovereign Tech Fund (Investment Round)
Open Call
Funding Amount€50,000 – €250,000
DeadlineRolling review
GeographyGlobal
Eligibility: Open technologies of critical foundational significance
Open Knowledge Foundation Germany
Prototype Fund (Round 19)
Open Call
Funding Amount€47,500
DeadlineRolling
GeographyGermany / EU affiliated
Eligibility: Civic tech, data security, and public interest open software
OTF
Open Technology Fund (Internet Freedom)
Open Call
Funding AmountUp to $300,000
DeadlineRolling
GeographyGlobal
Eligibility: Circumvention, encryption, and digital safety tools