Funding for open source
5 open grants, hackathons, bounties and fellowships for open source, each checked against the organizer's official page.
eBPF Foundation Community and Advocacy Fellowship 2026
A six month fellowship with a stipend of $1,500 USD per month for people who write documentation, tutorials and translations or organize community work around eBPF. Applications close on September 11, 2026.
Jupyter Foundation Community Funding Call 2026
The Jupyter Foundation funds proposals from Jupyter community members that grow contributor capacity or improve the software. Proposals close on September 9, 2026.
NLnet Foundation: open call for proposals with a November 3 deadline
NLnet funds open source and open hardware projects with first grants between 5,000 and 50,000 euro. The current call closes on November 3, 2026 at noon CET.
ProjectDiscovery OSS Bounty Program
ProjectDiscovery pays bounties for bug fixes, features, performance work and docs in its open source security tools. Each issue shows its reward. Open to anyone, no deadline.
Sequoia Open Source Fellowship
Sequoia covers living expenses for 6 to 12 months so an open source developer can work full time on their project. No equity, rolling applications, 2 to 3 fellows a year.