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Open Source Initiative

Organization summary

Type of Nonprofit

Designated as a Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn’t provide athletic facilities or equipment), or the prevention of cruelty to children or animals.

Category: Science and Technology Research Institutes, Services / Computer Science (NTEE)

Donations to this organization are tax deductible.

Summary charts: organization finances over time

Revenue
$740k (2022)

Expenses
$490k (2022)

Total Assets
$771k (2022)

Total Liabilities
$148k (2022)

Years with missing data
Source: Form 990 tax filings from 2011 to 2022

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$739,664
Expenses
$490,111
Net Income
$249,553
Net Assets
$622,249
Notable Sources of Revenue Percent of Total Revenue
Contributions $739,259
99.9%
Program Services $0
Investment Income $387
0.1%
Bond Proceeds $0
Royalties $18
0.0%
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $165,607
33.8%
Professional Fundraising Fees $0
Other Salaries and Wages $30,723
6.3%
Assets/Debt
Total Assets $770,719
Total Liabilities $148,470
Net Assets $622,249
Compensation
Key Employees and Officers Compensation Related Other
Stefano Maffuli (Executive Director) $165,606 $0 $0
Catharina Maracke (President, Director) $0 $0 $0
Thierry Carrez (Vice President, Former Secretary, Director) $0 $0 $0
Tracy Hinds (Chief Financial Officer, Director) $0 $0 $0
Aeva Black (Secretary, Director) $0 $0 $0
Pamela Chestek (Director) $0 $0 $0
Amanda Brock (Director) $0 $0 $0
Justin Colannino (Director) $0 $0 $0
Josh Berkus (Director) $0 $0 $0
Carlo Piana (Director) $0 $0 $0
Joshua Simmons (Former President, Director) $0 $0 $0
Megan Byrd Sanicki (Former Vice President, Director) $0 $0 $0
Hong Phuc Dang (Former Director) $0 $0 $0
Italo Vignoli (Former Director) $0 $0 $0
Deborah Bryant (Former Director) $0 $0 $0

Document Links

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$326,481
Expenses
$406,576
Net Income
-$80,095
Net Assets
$383,392
Notable Sources of Revenue Percent of Total Revenue
Contributions $325,146
99.6%
Program Services $0
Investment Income $123
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $1,212
0.4%
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $157,734
38.8%
Assets/Debt
Total Assets $533,392
Total Liabilities $150,000
Net Assets $383,392
Compensation
Key Employees and Officers Compensation Related Other
Joshua Simmons (President, Director) $0 $0 $0
Megan Byrd Sanicki (Vice President, Director) $0 $0 $0
Tracy Hinds (Chief Financial Officer, Director) $0 $0 $0
Thierry Carrez (Secretary, Director) $0 $0 $0
Aeva Black (Director) $0 $0 $0
Deborah Bryant (Director) $0 $0 $0
Pamela Chestek (Director) $0 $0 $0
Hong Phuc Dang (Director) $0 $0 $0
Catharina Maracke (Director) $0 $0 $0
Italo Vignoli (Director) $0 $0 $0
Elana Hashman (Director) $0 $0 $0
Christopher Lamb (Director) $0 $0 $0
Faidon Liambotis (Director) $0 $0 $0

Document Links

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$343,964
Expenses
$252,400
Net Income
$91,564
Net Assets
$414,608
Notable Sources of Revenue Percent of Total Revenue
Contributions $340,557
99.0%
Program Services $3,314
1.0%
Investment Income $57
0.0%
Bond Proceeds $0
Royalties $36
0.0%
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $2,750
1.1%
Other Salaries and Wages $104,821
41.5%
Assets/Debt
Total Assets $586,633
Total Liabilities $172,025
Net Assets $414,608
Compensation
Key Employees and Officers Compensation Related Other
Patrick Masson (Former Secretary, General Manager) $63,837 $0 $0
Joshua Simmons (President, Former Vice President) $0 $0 $0
Molly De Blanc (Former President, Director) $0 $0 $0
Megan Byrd Sanicki (Vice President, Director) $0 $0 $0
Tracy Hinds (Chief Financial Officer, Director) $0 $0 $0
Hong Phuc Dong (Former Chief Financial Officer, Director) $0 $0 $0
Deborah Bryant (Secretary, Director) $0 $0 $0
Pamela Chestek (Director) $0 $0 $0
Christopher Lamb (Director) $0 $0 $0
Elana Hashman (Director) $0 $0 $0
Faidon Liambotis (Director) $0 $0 $0
Simon Phipps (Director) $0 $0 $0
Italo Vignoli (Director) $0 $0 $0

Document Links

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$530,220
Expenses
$486,957
Net Income
$43,263
Net Assets
$323,044
Notable Sources of Revenue Percent of Total Revenue
Contributions $530,072
100.0%
Program Services $0
Investment Income $66
0.0%
Bond Proceeds $0
Royalties $82
0.0%
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $113,960
23.4%
Professional Fundraising Fees $13,150
2.7%
Other Salaries and Wages $5,565
1.1%
Assets/Debt
Total Assets $323,044
Total Liabilities $0
Net Assets $323,044
Compensation
Key Employees and Officers Compensation Related Other
Patrick Masson (Secretary, General Manager) $113,960 $0 $0
Molly De Blanc (President, Director) $0 $0 $0
Simon Phipps (President) $0 $0 $0
Joshua Simmons (Vice President, Chief Financial Officer) $0 $0 $0
Hong Phuc Dong (Chief Financial Officer) $0 $0 $0
Vicky Brasseur (Director) $0 $0 $0
Deborah Bryant (Director) $0 $0 $0
Pamela Chestek (Director) $0 $0 $0
Christopher Lamb (Director) $0 $0 $0
Elana Hashman (Director) $0 $0 $0
Faidon Liampotis (Director) $0 $0 $0
Carol Smith (Director) $0 $0 $0
Tracy Hinds (Director) $0 $0 $0
Italo Vignoli (Director) $0 $0 $0
Richard Fontana (Director) $0 $0 $0
Allison Randal (Director) $0 $0 $0
Christine Hall (Director) $0 $0 $0

Document Links

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$555,610
Expenses
$360,561
Net Income
$195,049
Net Assets
$279,781
Notable Sources of Revenue Percent of Total Revenue
Contributions $555,458
100.0%
Program Services $0
Investment Income $66
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $86
0.0%
Notable Expenses Percent of Total Expenses
Executive Compensation $108,000
30.0%
Professional Fundraising Fees $30,725
8.5%
Other Salaries and Wages $795
0.2%
Assets/Debt
Total Assets $279,846
Total Liabilities $65
Net Assets $279,781
Compensation
Key Employees and Officers Compensation Related Other
Patrick Masson (Secretary, General Manager) $108,000 $0 $0
Vicky Brasseur (Director) $0 $0 $0
Deborah Bryant (Director) $0 $0 $0
Molly De Blanc (Director) $0 $0 $0
Richard Fontana (Director) $0 $0 $0
Christopher Lamb (Director) $0 $0 $0
Faidon Liampotis (Director) $0 $0 $0
Mike Milinkovich (Director) $0 $0 $0
Allison Randal (Director) $0 $0 $0
Carol Smith (Director) $0 $0 $0
Paul Tagliamonte (Director) $0 $0 $0
Italo Vignoli (Director) $0 $0 $0
Simon Phipps (President) $0 $0 $0
Joshua Simmons (Chief Financial Officer) $0 $0 $0

Document Links

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$209,500
Expenses
$187,884
Net Income
$21,616
Net Assets
$84,732
Notable Sources of Revenue Percent of Total Revenue
Contributions $186,831
89.2%
Program Services $22,025
10.5%
Investment Income $58
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $586
0.3%
Notable Expenses Percent of Total Expenses
Executive Compensation $100,000
53.2%
Professional Fundraising Fees $7,680
4.1%
Other Salaries and Wages $0
Assets/Debt
Total Assets $84,732
Total Liabilities $0
Net Assets $84,732
Compensation
Key Employees and Officers Compensation Related Other
Patrick Masson (Secretary, General Manager) $100,000 $0 $0
Simon Phipps (President) $0 $0 $0
Josh Simmons (Chief Financial Officer) $0 $0 $0
Molly De Blanc (Director) $0 $0 $0
Deb Bryant (Director) $0 $0 $0
Richard Fontana (Director) $0 $0 $0
Mike Milinkovich (Director) $0 $0 $0
Allison Randal (Director) $0 $0 $0
Carol Smith (Director) $0 $0 $0
Italo Vignoli (Director) $0 $0 $0
Leslie Hawthorn (Director) $0 $0 $0
Paul Tagliamonte (Director) $0 $0 $0
Josh Simmons (Director) $0 $0 $0
Stefano Zacchiroli (Director) $0 $0 $0

Document Links

Fiscal Year Ending Dec.
2016

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$183,072
Expenses
$160,406
Net Income
$22,666
Net Assets
$57,878
Notable Sources of Revenue Percent of Total Revenue
Contributions $171,270
93.6%
Program Services $0
Investment Income $13
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $29
0.0%
Assets/Debt
Total Assets $60,647
Total Liabilities $2,769
Net Assets $57,878

Document Links

Fiscal Year Ending Dec.
2015

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$151,741
Expenses
$160,207
Net Income
-$8,466
Net Assets
$35,585
Notable Sources of Revenue Percent of Total Revenue
Contributions $139,107
91.7%
Program Services $0
Investment Income $16
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $138
0.1%
Assets/Debt
Total Assets $38,058
Total Liabilities $2,473
Net Assets $35,585

Document Links

Fiscal Year Ending Dec.
2014

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$117,084
Expenses
$170,284
Net Income
-$53,200
Net Assets
$57,832
Notable Sources of Revenue Percent of Total Revenue
Contributions $117,035
100.0%
Program Services $0
Investment Income $49
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $58,236
Total Liabilities $404
Net Assets $57,832

Document Links

Fiscal Year Ending Dec.
2013

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2012

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$33,981
Expenses
$25,765
Net Income
$8,216
Net Assets
$79,869
Notable Sources of Revenue Percent of Total Revenue
Contributions $27,357
80.5%
Program Services $0
Investment Income $50
0.1%
Net Fundraising $0
Sales of Assets $26
0.1%
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $79,869
Total Liabilities $0
Net Assets $79,869

Document Links

Fiscal Year Ending Dec.
2011

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$30,424
Expenses
$6,266
Net Income
$24,158
Net Assets
$71,673
Notable Sources of Revenue Percent of Total Revenue
Contributions $29,728
97.7%
Program Services $0
Investment Income $696
2.3%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $71,673
Total Liabilities $0
Net Assets $71,673

Document Links

Fiscal Year Ending Dec.
2010

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2008

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2007

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2006

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2005

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2004

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2003

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2002

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2001

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

About This Data

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

Get the Data

For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes EINs and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
  • Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

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