Grants and funds for open source
Money for the project or its maintainers, applied for in rounds or on a rolling basis. Paid mentorships →
Microsoft FOSS Fund
Every quarter Microsoft engineers nominate and vote on open source projects they use, and the fund distributes up to $12,500.
Projects with an OSI-approved license, nominated by a Microsoft employee who contributes.
GitHub Secure Open Source Fund
Funding paid to the invited maintainers in tranches, security training in program sessions, and $10,000 in Azure credits.
Open source projects; selected applicants are interviewed.
Alpha-Omega grants
Grants for security work in critical open source, decided in four seasons a year: a month to apply, a month to co-design the work, a month to decide and fund.
Standalone projects, foundations and core ecosystem services under an OSI-approved license.
FOSS Sustainability Fund
Open Technology Fund support for maintaining internet freedom technology, in solicitation rounds.
Internet freedom technology projects; not in countries under US trade sanctions.
NGI Zero grants
€5,000 to €50,000 for a first grant. Grants for technical open source development, with a call deadline every two months.
Open source technical work; EU-supported funds usually need applicants from Horizon Europe eligible countries.
Small Development Grants
A microgrant program for NumFOCUS sponsored and affiliated projects.
NumFOCUS sponsored and affiliated projects.
Sovereign Tech Fund
Work over €50,000 funded. Germany's fund for developing and maintaining open digital base technologies.
Open digital base technologies under an OSI or FSF license, not already publicly funded for the same work.