LICENSEWARE
GNU Project Rule

Internal use and private modification do not require releasing source

Catalog row in Vendor License Rules · Cited

Kind
Use rights
Statement
GPL-3.0 §2: covered works that are not conveyed may be made, run and propagated without conditions while the license remains in force. GPL FAQ: an organization may modify a GPL program and use it internally without ever releasing it; making copies within one organization is not distribution.
Applies when
Organization runs or modifies GNU software on its own systems for its own staff.
Applies to
GPL-3.0; GPL-2.0; GPL FAQ
Esc