GNU General Public License v2.0 or later
SPDX ID: GPL-2.0-or-later · Version: 2.0 · Version policy: or-later
Copyleft permissions with distribution obligations. The notice permits this version or a later FSF version; this page summarizes the stated base version.
Editorial summary · SPDX Notes; §§1–3, 9General information, not legal advice. The applicable official text controls. A qualified legal professional should confirm license selection, compatibility and commercial decisions for a specific product.
Scope
Depends on context
Covers works licensed under this GPL and covered derivatives; separate independent works in an aggregate are not automatically covered.
§§0, 2Use, modify and distribute
Allowed under conditions
Commercial use is permitted. Distribution must satisfy the applicable license conditions.
§§0–3; PreambleInternal use
Depends on context
Running the program is unrestricted; distribution obligations do not mean every internal program must be published.
§§0–3Copyright and changes
Allowed under conditions
Retain required notices, supply the license, and mark modifications and dates; interactive notice conditions can apply.
§§1–2GPL licensing of modified works
Allowed under conditions
If you distribute or publish a covered modified work, you must license it as a whole under this GPL, at no license charge to third parties.
§2(b)Source and copyleft
Allowed under conditions
Executable distribution requires a §3 source or offer option; option 3(c) is restricted to qualifying noncommercial redistribution.
§§2–3NOTICE file
Not applicable
No Apache-style NOTICE mechanism; GPL notice requirements still apply.
§§1–2Patents
Depends on context
Conflicting patent obligations do not excuse GPL compliance and can prevent distribution.
§7Trademarks
Not expressly stated
No express trademark grant is stated; copyright permission does not resolve trademark rights.
§§0–12Version policy
Depends on context
Later-version choice depends on the work’s notice; later terms may differ. Verify before choosing.
SPDX Notes; §9Warranty and liability
Depends on context
Warranty and liability exclusions are subject to the stated exceptions and applicable law.
§§11–12Sources and review details
Source checked: · Editorial revision: 2026-09-06.2
Official full text · Reviewed source
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Sources and review details
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This directory does not change the license of cc0.app, its code or its dependencies. SPDX identifies licenses; listing alone does not establish OSI approval.