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Pennsylvania · Nonprofit

OPEN LIBRARY FOUNDATION INC

OPEN LIBRARY FOUNDATION INC (Pennsylvania) receives grants from 1 organization whose IRS filings report $5,100 to it, the largest being DUKE UNIVERSITY ($5,100). 0 of them have funded it in more than one year.

Revenue FY2025
$844k
Funders on record
1
Grants received
$5k
Net assets
$727k
0/1 repeat funders
01What it does

What Open Library Foundation Inc does

Mission

The foundation seeks to enable and support collaboration amoung librarians, technologists, designers, service providers and vendors to share expertise and resources and to create innovative new software and resources that support libraries.

As stated on its FY2025 Form 990.

Programs

  1. Folio : folio is a collaboration of libraries, developers and vendors building an open source library services platform. It supports traditional resource management functionality and can be extended into other institutional areas. Folio instituted a membership model in fy22, attracting 32 paid institutional members in its first year, for total member contributions of $295,000. A dozen institutions implemented folio in this time period, bringing the total to nearly 50 across the world in europe, north and south america, and asia. Three major releases were completed. Elections for fy25 for the community, product, and technical councils were successfully carried out.

    $471,427 spent
    70% of program spending
  2. Wolfcon : wolfcon 2024 meeting occurred in senate house at the university of london in september 2024.

    $188,284 spent$116,889 earned by the program
    28% of program spending
  3. Vufind : one major and one minor release were completed. A virtual user and developer summit was held online and in-person in september/october, 2024. A registered service provider program was established, and five organizations became project supporters during the year.

    $3,809 spent
    1% of program spending
  4. Bitcurator consortium: engages in projects that support practitioners responsible for the curation of born-digital materials, especially through the application of free and open-source tools. Information about an active bitcurator consortium affiliated project is managed through its host's website, accessible via the sections below.

    $10,087 spent
    1% of program spending

The 4 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $673,607.

02The organization over time

The organization over time

Each line starts at 100 in 2018, so what you read is the shape rather than the size: 150 means half as much again as 2018, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.

100 = 20182018 Revenue 100 ($1.0M) Expenses 100 ($885k) Net assets 100 ($499k)2019 Revenue 127 ($1.3M) Expenses 166 ($1.5M) Net assets 65 ($322k)2022 Revenue 19 ($190k) Expenses 51 ($449k) Net assets 70 ($349k)2023 Revenue 81 ($822k) Expenses 67 ($590k) Net assets 116 ($581k)2024 Revenue 56 ($567k) Expenses 58 ($512k) Net assets 127 ($636k)2025 Revenue 83 ($844k) Expenses 85 ($752k) Net assets 146 ($727k)
201820192022202320242025
Revenue (83)Expenses (85)Net assets (146)Peer revenue range

Balance sheet

Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2022 to 2023, from $372k to $692k (+86%).

$500k
$320k
$372k
$692k
$676k
$744k
201820192022202320242025
Total assetsTotal liabilities

How it's funded, over time

Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.

2018
2019
2022
2023
2024
2025
ContributionsProgram revenueInvestmentOther

85% of OPEN LIBRARY FOUNDATION INC’s revenue is contributions — more donation-reliant than the typical peer (79% for the typical peer).

This organization
Typical peer · 882 orgs

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 2 of the last 6 reported years ran a deficit.

$130k
’18
−$177k
’19
−$259k
’22
$232k
’23
$55k
’24
$91k
’25
11
months of
reserve

Leadership and staff

The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.

201820192022202320242025
Listed91111101111
Joined·+5·+0+3+0
No longer listed·3·120
03Who funds it

Who funds it, year by year

Grant support over time, funder by funder — shade shows the grant size each year.

Funder
'21
total
Duke Universityunclassified
$5k
funders
1

From the IRS filings of OPEN LIBRARY FOUNDATION INC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

Where its funders are

OPEN LIBRARY FOUNDATION INC draws 100% of its grant income from funders outside Pennsylvania, across 1 state in all.

NC

Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

04Its place in the field

Against its field

OPEN LIBRARY FOUNDATION INC runs a healthier operating margin than half of the 453 science & tech nonprofits its size.

Operating margin11% · above the median
Months of reserve10.9mo · above the median
Revenue growth (annualized)−3% · bottom quartile

this organization peer median middle 50% of peers· 453 science & tech nonprofits $100k–$1M, FY2025

Organizations like OPEN LIBRARY FOUNDATION INC

Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.

In Pennsylvania

Nationally

05Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Where the money goes

90% of spending goes to programs.

Program 90%Management 10%Fundraising 0%

Governance

7
board members
100%
independent
✓Conflict-of-interest policy–Whistleblower policy–Document retention✓Board reviewed the 990–Audited financials

Public support

64%

Share of support from the public (Schedule A) — the basis for its public-charity status.

Footprint & structure

Files a return copy in 1 state

DE

Part of a family of 3 related entities

  • Olf Folio Smllc · disregarded
  • Olf Vufind Smllc · disregarded
  • Olf Bitcurator Consortium LLC · disregarded

Screen this organization

A dated, signed PDF of the compliance screen for OPEN LIBRARY FOUNDATION INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.

A paid feature, included from the $75 plan up. Sign in to download.

Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf

Questions and answers

Who funds OPEN LIBRARY FOUNDATION INC?
OPEN LIBRARY FOUNDATION INC (Pennsylvania) receives grants from 1 organization whose IRS filings report $5,100 to it, the largest being DUKE UNIVERSITY ($5,100). 0 of them have funded it in more than one year.
How many funders does OPEN LIBRARY FOUNDATION INC have?
IRS filings report 1 organization giving $5,100 in grants to OPEN LIBRARY FOUNDATION INC.
Who is the largest funder of OPEN LIBRARY FOUNDATION INC?
DUKE UNIVERSITY is the largest funder on record, with $5,100 in grants. The full list of funders is on this page.
How can an organization like OPEN LIBRARY FOUNDATION INC find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Pennsylvania. The funding by cause and by state pages list the largest funders for a given area and how to approach them.

Play a game about who funds Open Library →

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2018–2025), and the filings of 1 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing