OpenPerksby GlyphGrants, funds and paid mentorships
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.
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.
Small Development Grants
A microgrant program for NumFOCUS sponsored and affiliated projects.
NumFOCUS sponsored and affiliated projects.
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.
Outreachy internships
$7,000 for a 3-month internship. Paid, remote open source internships twice a year for people underrepresented in tech.
Anyone who faces underrepresentation, systemic bias or discrimination in tech where they live.
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.
| Company | Perk | What it is | Type | Window | Apply |
|---|---|---|---|---|---|
Alpha-Omega grants Alpha-Omega Security grants in quarterly seasons 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. GrantIn rounds | 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. | Grant | In roundsQ4 submissions open (Oct 1 to 31) | Apply | |
GitHub Secure Open Source Fund GitHub $10,000 per project, plus Azure credits Funding paid to the invited maintainers in tranches, security training in program sessions, and $10,000 in Azure credits. GrantRolling | Funding paid to the invited maintainers in tranches, security training in program sessions, and $10,000 in Azure credits. | Grant | Rolling | Apply | |
Google Summer of Code Google Paid summer open source projects Contributors are paid to work on open source with mentoring organizations over the summer; the program ends in November. Paid mentorshipIn rounds | Contributors are paid to work on open source with mentoring organizations over the summer; the program ends in November. | Paid mentorship | In roundsOrganizations apply late January; contributors mid March to early April | Apply | |
Microsoft FOSS Fund Microsoft Up to $12,500 each quarter Every quarter Microsoft engineers nominate and vote on open source projects they use, and the fund distributes up to $12,500. GrantIn rounds | Every quarter Microsoft engineers nominate and vote on open source projects they use, and the fund distributes up to $12,500. | Grant | In roundsQuarterly; projects are nominated by Microsoft employees | Apply | |
NGI Zero grants NLnet €5,000 to €50,000 for a first grant Grants for technical open source development, with a call deadline every two months. GrantOpen now | Grants for technical open source development, with a call deadline every two months. | Grant | Open nowNext deadline, 12:00 CET | Apply | |
Small Development Grants NumFOCUS Microgrants for NumFOCUS projects A microgrant program for NumFOCUS sponsored and affiliated projects. GrantIn rounds | A microgrant program for NumFOCUS sponsored and affiliated projects. | Grant | In roundsRequest for applications each January (last call: May 2 to June 6) | Apply | |
FOSS Sustainability Fund Open Technology Fund Maintenance funding, rounds Open Technology Fund support for maintaining internet freedom technology, in solicitation rounds. GrantPaused | Open Technology Fund support for maintaining internet freedom technology, in solicitation rounds. | Grant | PausedNot accepting applications; next round not announced | Apply | |
Outreachy internships Outreachy $7,000 for a 3-month internship Paid, remote open source internships twice a year for people underrepresented in tech. Paid mentorshipIn rounds | Paid, remote open source internships twice a year for people underrepresented in tech. | Paid mentorship | In roundsMay 2027 round: applications in early February (2026: Feb 6 to 13) | Apply | |
Sovereign Tech Fund Sovereign Tech Agency Work over €50,000 funded Germany's fund for developing and maintaining open digital base technologies. GrantRolling | Germany's fund for developing and maintaining open digital base technologies. | Grant | Rolling | Apply |