GNU General Public License v3.0 only
SPDX ID: GPL-3.0-only · Version: 3.0 · Version policy: only
Copyleft permissions with distribution obligations. This identifier selects this version only.
Editorial summary · SPDX Notes; §§4–6, 14General 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, 5Use, modify and distribute
Allowed under conditions
Commercial use is permitted. Distribution must satisfy the applicable license conditions.
§§2, 4–6Internal use
Depends on context
Making and running works without conveying them does not itself require public source release. Network interaction alone is not conveying.
§§0, 2Copyright and changes
Allowed under conditions
Retain required notices, supply the license, and mark modifications and dates; interactive notice conditions can apply.
§§4–5GPL licensing of modified works
Allowed under conditions
If you convey a covered modified work, you must license it as a whole under this GPL to anyone who receives a copy, including applicable section 7 additional terms.
§5(c)Source and copyleft
Allowed under conditions
Conveying object code requires corresponding source through a §6 option. User Products may also require Installation Information.
§§1, 5–6NOTICE file
Not applicable
No Apache-style NOTICE mechanism; GPL notice requirements still apply.
§§4–5, 7Patents
Depends on context
Contributor patent grants and downstream conditions apply; conflicting obligations can prevent conveying.
§§10–12Trademarks
Not expressly stated
No general trademark grant is stated; permitted additional terms may decline trademark rights.
§7(e)Version policy
Depends on context
This SPDX identifier means this version only. Verify the actual work’s license notice.
SPDX Notes; §14Warranty and liability
Depends on context
Warranty and liability exclusions are subject to the stated exceptions and applicable law.
§§15–17Sources 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.