Small Development Grants
NumFOCUS · Grant · checked Nov 12, 2026 yesterday
A microgrant program for NumFOCUS sponsored and affiliated projects. Requests for applications go out each January.
- What you get
- Microgrants for NumFOCUS projects
- Amount
- No dollar amount stated
- Window
- In roundsRequest for applications each January (last call: May 2 to June 6)
- For
- For the project
- Lasts
- No end date
- Who
- Sponsored and affiliated projects
- Call
- Announced by newsletter
- Who can get it
- NumFOCUS sponsored and affiliated projects.
Requests for applications are sent out each January via the newsletter.
Other funding perks
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.
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.
Google Summer of Code
Contributors are paid to work on open source with mentoring organizations over the summer; the program ends in November.
Contributors new to open source; mentoring organizations apply separately.
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.
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.