License And Terms
The ISPConfig 3 Billing Module is subject to the following license :
The licensee has the right to use the Software on a single ISPConfig 3 control panel server. In a multiserver ISPConfig 3 installation, a license for the “master” server is needed, the slave servers do not require their own licenses. The ISPConfig 3 Billing Module is delivered in source code. Modifications of the source code for your own use are permitted.
The source code of the Billing Module must not be disclosed to third parties or published. The useful life is not limited in time. The licensee is entitled to install the Billing Module on a second server for testing purposes, as long as this server is not used actively for billing purposes. For questions about the license, you should contact firstname.lastname@example.org