Foundation research Fully public. Finally unlocked.
Research any US foundation in seconds. See their complete giving history, who they fund, and how much they give. Built from public 990s. Forever free.
Free and open doesn't mean inferior. Powerful search tools, zero barriers.
Get a complete picture of a foundation in seconds. Save a trip to the library.
Insights into a foundation's giving patterns. Find your next funder.
A Digital Public Good
Use Open Data to Find Your Next Funder
Foundation Search
Fast research. No barriers.
Access any foundation's complete public record in seconds. No barriers, no paywalls. Just the data you have a right to. Forever free.

Grants Search
Explore millions of past grants
Search the entire public history of foundation giving. This is the raw material for finding funders who believe in your cause.
Good
Get instant clarity
A board member mentioned a foundation? Vet them instantly. Your research process should be as fast as your passion.

Better
Uncover local support
They say all philanthropy is local. Use the public data to find foundations that are already invested in your community.

Best
Build a list of true believers
This is where the data shines. Find foundations that share your vision by seeing who funds your peers.

Truly open access to Foundation 990 Data
Foundation tax filings have been public since the 1950s, but remain inaccessible, stuck behind subscriptions, paywalls, and the growth aspirations of for-profit startups. If you need the advanced features of the paid tools, great. If you just need the data, welcome home.
- Radical transparency.
- A tiny budget but a giant commit to real-time transparency.
- Forever free.
- With a budget of just $200 per year, the site was architected to last forever.
- Open source.
- Free as in food. Free as in freedom. Fully open source.
- Decentralized.
- No login, no lock up. Your data is yours to move around as you wish.
- Community-driven.
- Community input and insights shape project goals and direction.
- The search you deserve.
- Results as you type. No submit button, no waiting. Just search.
8,000 of your nonprofit peers spend 4 minutes every week searching on Grantmakers.io. Learn more about the project
Impact
It doesn't take a large engineering team to deliver equitable access to 990 data.
In fact, it doesn't take an engineering team at all.
- Cost of access
- $0
- Annual budget
- $200
- Retained by sector
- $3.1M
Searches Performed
11,301,241
Visitors have generated over 11 million search queries on Grantmakers.io.
All for free. No login required.

Thank you Chad! Grantmakers.io continues to be an invaluable resource for our small but growing organization.
Empowering Communities
Libraries Leverage Grantmakers.io to Empower Nonprofits
We're honored that the Toledo Library incorporates Grantmakers.io in their nonprofit programming, alongside trusted platforms like Foundation Directory Online. Their comprehensive curriculum uniquely equips local fundraisers with modern, real-world skills.
The perfect springboard to Instrumentl and FDO.
- Grantmakers.io.
- Quickly and thoroughly explore the IRS 990-PF dataset with Algolia's lightning-fast, real-time search.
- Foundation Directory Online.
- When you need the robustness of the industry leader (and can afford it).
- Instrumentl.
- A full grants management platform when you're ready to level up.
Every stage, every cause
Loved by nonprofits just like yours
From nonprofits seeking their first grant to seasoned advancement professionals, Grantmakers.io is proud to support nonprofits of all sizes
You are amazing for doing this, especially now when so many non-profits can use the help but canβt afford research people or pay for access to the Foundation Center.
Thank you so very much - this is a truly amazing service!!! I'm searching for grants for a small non profit in SF. π
Thanks to your wonderful website, Misfit Acres Inc has received another grant!!! Thank you!!!!!
This is an awesome tool - we are a very small non profit near Chicago, and we are broadening our donor base and grant base.
I am the Development Manager for a nonprofit in Orange County, CA and I use this site often - thank you!
IRS 990-PF.
Plain and Simple.
Open, unfettered access to a critical grants information source for nonprofits.
Thank π You
Grateful for our friends
Grantmakers.io deeply appreciates Algolia's generous support, powering free, open, searchable access to grants data. Thank you for helping ensure this critical information remains accessible and transparent for nonprofits that need it most.
