It is approved by the Free Software Foundation as a free ( however GPL - incompatible ) software license .
Yahoo ! Public License is a free software license by Yahoo !. It is used among others by old versions of the collaborative software Zimbra .
Yahoo !. is approved by the Free Software Foundation as a free ( however GPL - incompatible ) software license .
Yahoo ! Public License is a free software license by Yahoo !. It is used among others by old versions of the collaborative software Zimbra .