Open Collective

NumFOCUS

ORGANIZATION
Open source
data science
research software engineering
scientific software

The mission of NumFOCUS is to promote open practices in research, data, and scientific computing.

This is NumFOCUS's pageNumFOCUS
Contributions
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Budget
About

Contributions

Contribute

Become a financial contributor.

Financial Contributions

Custom contribution
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Make a custom one-time or recurring contribution.

Latest activity by

+ 1

Projects

Support the following initiatives from NumFOCUS.

Project
rOpenSci Google Season Of Docs
rOpenSci Google Season of Docs

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Project
2023 Google Summer of Code
2023 Google Summer of Code project

Latest activity by

Project
NumFOCUS Summit 2023
Summit Reimbursement Expenses

Latest activity by

Project
2022 End of Year Campaign
2022 End of Year Campaign

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Top financial contributors

Organizations

1
mlpack

$16,380.44 USD since May 2025

2
Open Source Collective

$10,000 USD since May 2024

3
Open Astronomy

$8,250 USD since Oct 2024

Individuals

1
Incognito

$5 USD since Dec 2021

NumFOCUS is all of us

Our contributors 12

Thank you for supporting NumFOCUS.

Budget

Transparent and open finances.

Transactions

5822 Project Costs: Indirect Costs & Overhead

Credit from OpenProblems.bio to NumFOCUS •

+$8,250.00USD
Paid
Refund of "5822 Project Costs: Indirect Costs & Overhead"

Debit from NumFOCUS to OpenProblems.bio •

-$8,250.00USD
Completed
5822 Project Costs: Indirect Costs & Overhead

Credit from OpenProblems.bio to NumFOCUS •

+$8,250.00USD
Refunded
Platform subscription payment for May, 2026

Debit from NumFOCUS to Open Finance Technologies •

-$416.00USD
Paid
May 2026 Fiscal Sponsorship Fee

Credit from scverse Weizmann to NumFOCUS •

+$2,636.00USD
Paid
Close out - return of unused funds

Credit from SDG - 2024 Round 2 to NumFOCUS •

+$10,000.00USD
Paid
April 2026 Fiscal Sponsorship

Credit from NumPy to NumFOCUS •

+$101.58USD
Paid
March 2026 Fiscal Sponsorship

Credit from NumPy to NumFOCUS •

+$101.58USD
Paid
February 2026 Fiscal Sponsorship

Credit from NumPy to NumFOCUS •

+$103.88USD
Paid
January 2026 Fiscal Sponsorship

Credit from NumPy to NumFOCUS •

+$102.73USD
Paid

Platform subscription payment for June, 2026

from Open Finance Technologies to NumFOCUS •
-$250.00 USD
Approved
5822 Project Costs: Indirect Costs & Overhead

Credit from OpenProblems.bio to NumFOCUS •

+$8,250.00USD
Paid
Refund of "5822 Project Costs: Indirect Costs & Overhead"

Debit from NumFOCUS to OpenProblems.bio •

-$8,250.00USD
Completed
$
Today’s balance

-$2,430,441.06 USD

Total income

$9,192,287.11 USD

Total disbursed

$11,622,728.17 USD

Estimated annual budget

--.-- USD

About

Our Mission
The mission of NumFOCUS is to promote open practices in research, data, and scientific computing by serving as a fiscal sponsor for open source projects and organizing community-driven educational programs.
NumFOCUS is a 501(c)(3) public charity in the United States.

Our team

ArlissC

Admin

Nicole Foster

Admin

NumFOCUS Finance

Admin

Savannah Simons

Admin

Chervonne Rogers

Admin

Erin Gray

Admin

Michael Savelli

Admin