Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2024. IRS ruling in Feb 2003.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
86 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
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Who runs it and what they're paid
17 people listed on the 990; $1.1M paid to officers and key staff.
Seth Larson’s $239K as Security Developer-In-Residence is at the 73rd percentile of top reported officer pay among 363 $1–10M science & technology nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 8 named individuals · Part VII
| Name | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 |
|---|---|---|---|---|---|
| Seth Larson | $238,657 | $116,732 | — | — | — |
| Ee Durbin | $203,105 | $191,529 | $168,995 | $139,737 | — |
| Mike Fiedler | $199,219 | — | — | — | — |
| Ewa Jodlowska | — | — | — | $163,789 | $125,907 |
| Loren Crary | $155,120 | $149,697 | $139,141 | — | — |
| Deborah Nicholson | $145,326 | $154,054 | $101,045 | — | — |
| Ernest W Durbin III | — | — | — | — | $124,305 |
| Phyllis Dobbs | $109,570 | $102,764 | — | — | — |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2Yes
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Supports and grows the Python programming language and its global community.
Questions for Python Software Foundation
Your first name shows with your question. Python Software Foundation answers here, for everyone.
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PyCon US is the largest annual gathering for the community that uses and develops the open-source Python programming language. PyCon US 2024 was offered in a hybrid format for the third time with 2,551 in-person attendees in Pittsburgh, PA and 440 online attendees. A record 1,752 Pythonistas were first-time attendees!
The PSF awarded $637K in grants to projects and events related to the development of Python, Python-related technology, educational programs, and resources. Events include worldwide conferences, PyLadies and Django Girls workshops, education, and training programs related to the establishment and promotion of the free and open source…
The PSF provides fiscal sponsorship for Python-focused user groups, events, and projects. These groups hold regular education and networking meetings and/or present regional Python conferences.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2024 990, line by line.
Download 990
| Line | Start FY24 | End FY24 |
|---|---|---|
| Cash and savingsLn 1–2 | $5.1M | $3.7M |
| InvestmentsLn 11–13 | $0 | $0 |
| Land, buildings, equipmentLn 10c | $0 | |
| Total assetsLn 16 | $5.4M | $4.3M |
| LiabilitiesLn 26 | $747K | $872K |
| Net assetsLn 32 | $4.7M | $3.4M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic organizationsLn 1 | $65K | $65K | ||
| Grants to domestic individualsLn 2 | $378K | $378K | ||
| Grants and assistance to foreign recipientsLn 3 | $509K | $509K | ||
| Benefits paid to or for membersLn 4 | $0 | $0 | ||
| Pay of disqualified personsLn 6 | $0 | $0 | $0 | $0 |
| Other salaries and wagesLn 7 | $1.5M | $1.0M | $340K | $146K |
| Pension plan contributionsLn 8 | $46K | $15K | $31K | $0 |
| Other employee benefitsLn 9 | $220K | $92K | $114K | $14K |
| Payroll taxesLn 10 | $111K | $75K | $24K | $11K |
| Legal feesLn 11b | $33K | $19K | $13K | $33 |
| Accounting feesLn 11c | $15K | $370 | $15K | $104 |
| Lobbying feesLn 11d | $0 | $0 | $0 | $0 |
| Professional fundraising feesLn 11e | $0 | $0 | ||
| Investment management feesLn 11f | $0 | $0 | $0 | $0 |
| Other fees for servicesLn 11g | $14K | $9K | $120 | $4K |
| Advertising and promotionLn 12 | $7K | $2K | $0 | $5K |
| Office expensesLn 13 | $22K | $13K | $8K | $534 |
| Information technologyLn 14 | $457K | $445K | $3K | $9K |
| RoyaltiesLn 15 | $0 | $0 | $0 | $0 |
| OccupancyLn 16 | $15K | $8K | $6K | $1K |
| TravelLn 17 | $136K | $96K | $39K | $102 |
| Travel and entertainment for public officialsLn 18 | $0 | $0 | $0 | $0 |
| Conferences, conventions and meetingsLn 19 | $2.1M | $2.1M | $0 | $6K |
| InterestLn 20 | $0 | $0 | $0 | $0 |
| Payments to affiliatesLn 21 | $0 | $0 | $0 | $0 |
| Depreciation, depletion and amortizationLn 22 | $0 | $0 | $0 | $0 |
| InsuranceLn 23 | $19K | $11K | $7K | $2K |
| Other expenses (24a–d)Ln 24 | $81K | $61K | $2K | $18K |
| Total functional expensesLn 25 | $5.8M | $4.9M | $604K | $217K |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2024 Latest Viewing | $4.1M | $5.8M | −$1.7M | $3.4M | 990 PDF |
| FY2023 | $4.2M | $4.3M | −$163K | $4.7M | 990 PDF |
| FY2022 | $3.9M | $3.4M | $415K | $4.8M | 990 PDF |
| FY2021 | $2.3M | $1.7M | $629K | $4.4M | 990 PDF |
| FY2020 | $2.2M | $1.8M | $386K | $3.8M | 990 PDF |
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Schedules filed Part IV
See the full FY2024 990 (6 parts)
Part I · Summary $4,086,997 revenue, 12 lines filed
Part VI · Governance 11 of 12 board members independent, 1 to look at
Part VIII · Statement of revenue $4,086,997 across 14 lines filed
Part IX · Statement of functional expenses $5,765,854 across 28 lines filed
Part X · Balance sheet $4,257,720 assets, 23 lines filed
Part XI · Reconciliation of net assets $3,386,207 net assets at year end
Form 990 e-file (XML) FY2024 from the IRS · Classification, formation year and address from the IRS Business Master File
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