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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
Open Contracting Partnership To enable one billion people to live in more equitable, prosperous and sustainable communities by helping… 85-3115306 · FY2024 Washington, DC $7.4M $8.4M $4.1M 92% 0% 8 501(c)(3)
Open Source Technology Improvement Fund INC Charity for scientific research 47-3897395 · FY2025 Chicago, IL $2.7M $2.4M $419.8K 75% 0% 501(c)(3)
Open Source Robotics Foundation INC To support the development, distribution, and adoption of OPEN SOURCE software for use in ROBOTICS research… 45-5230545 · FY2024 San Jose, CA $2.6M $2.0M $6.5M 96% 0% 501(c)(3)
Openelis Foundation To develop open source community based solutions and thereby support the informatics needs and best practices… 27-3655875 · FY2025 Jefferson City, MO $1.4M $1.4M $2.1M 83% 0% 3 501(c)(3)
Citizens for Modern Transit Promote mass public transportion. 43-1412738 · FY2024 Saint Louis, MO $1.3M $1.1M $4.5M 80% 1% 4 501(c)(3)
Free Software Foundation INC To promote and defend computer users rights to use, study, copy, and modify the software on their computer… 04-2888848 · FY2023 Boston, MA $1.2M $1.6M $1.4M 85% 6% 14 501(c)(3)
Open Transformation Lab INC The missions is to provide information and resources to counter disinformation, propaganda, and offer a… 82-3402717 · FY2024 New York, NY $1.1M $1.1M $409.0K 98% 0% 1 501(c)(3)
Transportation Foundation of Los Angeles Education & training in public TRANSPORTATION. 95-4347484 · FY2023 Pasadena, CA $940.5K $1.0M $1.3M 80% 0% 53 501(c)(3)
Rx Research Services Foundation Partner with host companies from the life sciences industries to provide apprenticeships to stem graduates… 47-4076745 · FY2024 Glendale, CA $753.4K $609.7K $272.6K 95% 0% 501(c)(3)
Foundation for Regional Transit Provide educational information regarding sustainable transportation 94-3196927 · FY2024 Palo Alto, CA $228.2K $278.1K $189.4K 85% 6% 1 501(c)(3)
Civic Software Initiative 88-4360283 · FY2025 Seattle, WA $190.4K $108.9K 501(c)(3)
Open Door Studios Foundation 46-2074511 · FY2024 Charlotte, NC $167.0K $90.7K 501(c)(3)
Open Doors Foundation INC 81-4889016 · FY2025 Milton, WI $166.6K $84.3K 501(c)(3)
Civic Software Foundation To develop technology that is built on principles of ethical data use and societal impact, including… 46-5498921 · FY2024 Portland, OR $163.0K $157.3K $29.6K 100% 0% 501(c)(3)
Project Open INC 13-3744003 · FY2024 New York, NY $150.6K $296.8K 501(c)(3)
Congo Ubuntu Foundation INC Cuf 87-1011056 · FY2024 Franklin Sq, NY $140.0K $24.0K 501(c)(3)
Non Profit Software Corporation 46-4113542 · FY2024 Dekalb, IL $123.2K $95.6K 501(c)(3)
Gnu Foundation 26-4479083 · FY2025 Delray Beach, FL $118.6K $38.6K 501(c)(3)
Opendoor Womens Recovery Alliance 84-3092407 · FY2025 Columbus, OH $116.6K $96.4K 501(c)(3)
Open Dialogue Foundation INC 88-2217967 · FY2024 Miami, FL $114.0K $5.8K 501(c)(3)
Open Architecture Collaborative INC 81-1270707 · FY2024 Oakland, CA $110.3K $47.8K 501(c)(3)
Tradart Foundation 91-2120283 · FY2024 Santa Barbara, CA $101.9K $318.8K 501(c)(3)
Digital Equity Foundation 88-1318434 · FY2024 Avalon, CA $100.9K $449 501(c)(3)
Open Arm Foundation Incorporated 26-0511705 · FY2025 Calumet Park, IL $100.0K $95.0K 501(c)(3)
Smart Kinston City Project Foundation 46-3476101 · FY2024 Kinston, NC $98.4K $200.3K 501(c)(3)
Tcat Foundation INC 93-4031126 · FY2024 Lake Mills, WI $97.8K $75.3K 501(c)(3)
Travelingwiki Foundation We are the largest non profit resource center to provide a database of airport resources for those with non… 99-2454254 · FY2024 Greenwood Village, CO $94.2K $141.7K 501(c)(3)
Open Source Standards Organization INC 99-1896334 · FY2024 Phoenix, AZ $90.0K $90.0K 501(c)(3)
Forward4tobi Foundation 46-3809966 · FY2024 Buffalo Grove, IL $88.2K $58.1K 501(c)(3)
Nomadx Foundation 83-4195942 · FY2022 El Paso, TX $86.1K $0 501(c)(3)
Ocpac Foundation 88-4030772 · FY2024 Norman, OK $81.2K $38.6K 501(c)(3)
Open Source Patterns INC 84-4796717 · FY2025 Miami Beach, FL $71.5K $65.7K 501(c)(3)
Safe Green Transit Corporation 33-1667335 · FY2025 Baltimore, MD $71.0K $13.7K 501(c)(3)
Purpose Driven Foundation 88-2443638 · FY2025 Bakersfield, CA $64.6K $37.7K 501(c)(3)
Open Book Project 92-1622408 · FY2025 Easley, SC $58.1K $9.1K 501(c)(3)
Tech Titans Foundation 85-2057593 · FY2023 Richardson, TX $56.5K $0 501(c)(3)
Frontline Ocr Foundation 87-4060095 · FY2024 Naperville, IL $54.7K $16.9K 501(c)(3)
The Open Arts Foundation 86-0956882 · FY2024 Santa Fe, NM $53.3K $73.4K 501(c)(3)
360plus Foundation 83-2304644 · FY2024 Redwood Vly, CA $45.6K $3.2K 501(c)(3)
2,046,138
nonprofits
212,946
funders
12,515,252
grants
22,549,931
directors
214,365
service providers
549,896,012
financial lines
Public data from IRS Form 990 e-file & Business Master File. A 990 shows reported financial activity, not measured program outcomes. Assets are from the IRS BMF and may lag the latest filing; fundraising cost is fundraising expenses as a share of total expenses. · philanthropy.org