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Can I use LGPL 3.0 commercially?

Last updated

TL;DR: 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.

Is commercial use allowed under GNU Lesser General Public License v3.0?

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

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

Duties: attribution, license_notice, share_alike, source_disclosure

Is commercial use, modified and redistributed allowed under GNU Lesser General Public License v3.0?

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

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

Duties: attribution, license_notice, share_alike, source_disclosure

What else should I know?

What are the sources?

How can I check it myself (free, no key)?

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

Computed from a2ally's license profiles; not legal advice. JSON · Markdown

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curl -s -X POST https://www.a2ally.com/v1/accounts/signup -H "Content-Type: application/json" -d '{"accept_terms":true}'
export A2ALLY_API_KEY=rs_...   # the api_key from the reply (shown once)
curl -s https://www.a2ally.com/v1/licenses/check -H "Authorization: Bearer $A2ALLY_API_KEY" \
  -H "Content-Type: application/json" -d '{"license":"MIT","intended_use":{"commercial_use":true}}'