# Apache Software Foundation

Wilmington, Delaware. EIN 47-0825376.
Exempt and current.

Source: IRS public records as of October 13, 2026, as shown by the Alleviate Index. https://index.alleviate.org/org/apache-software-foundation-470825376

## At a glance

Figures come from the organization’s Form 990 for the fiscal year ending April 2025, as recorded by the IRS.

- Revenue: $2,220,257 (FY2025)
- Assets: $5,460,335 (Year end)
- Required return: Form 990 (Full return required from $200K of receipts)
- Fiscal year: May to April (Ends in April)
- Focus: Computer science (NTEE U41, science)
- Charity type: Publicly supported (509(a)(2))

## What is due, and when

Computed from the fiscal year end and the return type. Federal dates are fixed by law. The state line is the general charitable solicitation rule of Delaware, read from the regulator’s own guidance; exemptions vary, and the regulator’s page is the authority.

- Sep 15, 2026: Form 990 for FY2026. Not yet on the IRS file. The October 2026 IRS file shows FY2025 as the latest return. Filed on extension, it is due March 15, 2027.
- Mar 15, 2027: Extended deadline for FY2026. Six month automatic extension (Form 8868).
- Sep 15, 2027: Form 990 for FY2027. Fifteenth day of the fifth month after year end.
- State: Delaware charitable solicitation registration. Delaware does not require charities to register before they ask for contributions. Regulator: Office of the Attorney General, Delaware Department of Justice.
- Watch: Automatic revocation rule. No risk shown. Exempt status is revoked after three consecutive years without a return. The latest return on file is FY2025.

## When each return reached the IRS

From IRS records of electronically filed returns. The IRS record date is the date in the IRS’s own record of each return. It is not a legal filing date, and extensions are not public.

| Fiscal year | Form | IRS record date | Due date | Note |
| --- | --- | --- | --- | --- |
| FY2025 | Form 990 | March 9, 2026 | September 15, 2025 |  |
| FY2024 | Form 990 | February 22, 2025 | September 16, 2024 |  |
| FY2023 | Form 990 | March 9, 2024 | September 15, 2023 |  |
| FY2022 | Form 990 | March 15, 2023 | September 15, 2022 |  |

Returns for fiscal years before 2021, and returns the IRS record cannot date, are not listed.

## What the IRS lists say

Three IRS lists, read each month. This is a display of what they show, not a determination of status.

- Exempt status: Listed as exempt. The IRS list of exempt organizations. As of October 13, 2026.
- Deductible donations: Listed. The IRS list of organizations eligible to receive tax deductible contributions. Listed with code PC (public charity). As of October 13, 2026.
- Automatic revocation: Not on the list. The IRS list of organizations whose exemption was revoked for not filing three years in a row. As of October 13, 2026.

## Against Delaware science organizations of similar size

11 public charities share this focus and state with revenue between $500K and $5M on a recent return. The shaded band is the middle half of the group.

Revenue scale from $500K to $5M. Apache Software Foundation at $2.22M, peer median at $1.83M.

- Revenue rank: 68th percentile (Among the 11 peers)
- Assets held: About 2.5 years (Of annual revenue, from public figures)
- Age: Older than most (Approved 2001; the median peer, 2022)

## What public data cannot tell you

A 990 shows money in and money out. It cannot show whether programs, outcomes, funding and compliance live in one place, or how long a funder report takes to produce. The five pillars below are scored only by the organization itself.

- Mission & Strategic Clarity: Unscored
- Stakeholders & Positioning: Unscored
- Programs & Program Design: Unscored
- Evidence, Data & Storytelling: Unscored
- Systems, Governance & Readiness: Unscored

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