Building open source software comes with a unique challenge: your users may love your product without ever paying for it.
You can have thousands of users, hundreds of contributors, and infrastructure that businesses rely on — while generating little or no direct revenue.
GitHub Sponsors can help, but it's only one piece of the puzzle.
There is a much broader funding ecosystem for open source projects, including foundation grants, corporate sponsorships, government programs, research funding, developer grants, and other forms of non-dilutive funding.
The question is: how do you find the opportunities that actually fit your project?
What Can Open Source Projects Get Funded For?
Open source funding isn't limited to projects explicitly labeled "open source."
Depending on what you're building, you may qualify for funding around:
Developer infrastructure
Artificial intelligence
Cybersecurity
Privacy
Digital public goods
Open data
Scientific research
Climate technology
Internet infrastructure
Digital inclusion
For example, an open source cybersecurity tool might qualify for cybersecurity funding even if the opportunity never mentions open source.
That's why searching only for "open source grants" can cause you to miss relevant opportunities.
Think Beyond GitHub Sponsors
Sponsorships are useful, but they aren't the only way to sustain an OSS project.
Consider a broader funding mix:
Grants — Funding for projects aligned with a funder's goals.
Foundation funding — Support for projects creating public, social, or ecosystem value.
Corporate programs — Companies may fund open source projects that contribute to their technology ecosystems.
Government programs — Some agencies fund technology, research, cybersecurity, and digital infrastructure.
Research funding — Technical projects with a research component may qualify for academic or research programs.
The best option depends on what you're building and who benefits from it.
Start With Your Project, Not the Grant
One common mistake is searching:
"open source grants"
and applying to whatever appears.
Instead, define your project's characteristics first.
Ask:
What problem are we solving?
Who uses the project?
What technology are we building?
Where are we based?
What stage are we at?
What will funding help us accomplish?
Then search across the categories that match those characteristics.
For example:
Open source + AI + early stage
could lead you toward AI grants, developer programs, research funding, and open-source initiatives.
Open source + cybersecurity + public infrastructure
could lead toward cybersecurity, digital infrastructure, and public-interest technology funding.
The opportunity may not have "open source" in its title.
Funding Is a Matching Problem
Every funding opportunity has requirements.
Your project has characteristics.
The goal is to find the overlap.
For example:
Requirement Your Project
Open source ✓
AI ✓
Early stage ✓
Eligible geography ✓
Nonprofit required ✗
A grant might sound perfect until you discover you're not eligible.
This is why having a list of hundreds of grants isn't necessarily useful.
The goal isn't to find more grants. It's to find the right ones.
Make Your Project Grant-Ready
Before applying, clearly define what the funding will accomplish.
Instead of:
"We need funding to continue development."
Be specific:
"Funding will support 12 months of development, infrastructure, security improvements, and contributor programs."
A strong application should communicate:
The problem — What are you solving?
The project — What are you building?
The impact — Who benefits?
The roadmap — What will the funding enable?
The open-source value — Why does making it open matter?
Where Should You Look?
Don't limit your searches to "open source grants."
Try combinations such as:
AI grants for open source
cybersecurity grants
developer tools funding
digital public goods grants
open data funding
technology innovation grants
research grants
government technology funding
nonprofit technology grants
developer funding programs
Also search by geography, industry, project stage, and impact area.
The more specific your search, the more likely you are to find relevant opportunities.
The Bigger Opportunity
Open source has become critical infrastructure for modern technology, but the people maintaining that infrastructure still need resources.
Funding can support:
Engineering
Security
Infrastructure
Documentation
Community development
Contributor programs
Research
So if you're building OSS, don't assume your only options are donations or turning the project into a commercial product.
Grants and other forms of non-dilutive funding can be part of the sustainability strategy.
The funding world for open source is bigger than GitHub Sponsors.
And sometimes, the best funding opportunity isn't called an "open source grant" at all.
It's simply a grant that happens to fund the problem you're solving.
Building a startup or open source project and looking for funding?
FundnAI helps founders discover relevant grants, investors, accelerators, and other funding opportunities based on their project's characteristics and funding needs.
Stop searching for every opportunity. Start finding the opportunities that fit.
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