Can I use LGPL 3.0 commercially?

Short answer: Commercial use: Yes. Commercial use, modified and redistributed: Yes.

GNU Lesser General Public License v3.0 (LGPL-3.0-only): Use the library in any program, including proprietary ones; changes to the library itself, when conveyed, stay under the LGPL with source, and users must be able to relink a modified version.

Commercial use: Yes

License: GNU Lesser General Public License v3.0 (LGPL-3.0-only, curated)

• Every use you described is granted by LGPL 3.0, and nothing you described is prohibited.

Duties: attribution, license_notice, share_alike, source_disclosure

Commercial use, modified and redistributed: Yes

License: GNU Lesser General Public License v3.0 (LGPL-3.0-only, curated)

• Every use you described is granted by LGPL 3.0, and nothing you described is prohibited.

Duties: attribution, license_notice, share_alike, source_disclosure

Context

• The copyleft duties apply to the library and modified versions of it, not to an application that only links to it.

Sources

• GNU Lesser General Public License v3.0: official text
• LGPL-3.0-only on the SPDX License List

Check it yourself (free, no key)

{
  "tool": "check_license",
  "arguments": {
    "license": "LGPL-3.0-only",
    "intended_use": {
      "commercial_use": true
    }
  }
}

Computed from Rightshold's license profiles; not legal advice. Updated 2026-10-19. JSON · Markdown