Robuta

https://www.gnu.org/licenses/
free software foundationgnu projectlicenses
https://hostbillapp.com/products-services/opsshield/
Resell OPSSHIELD Licenses in a fully automated manner with automated billing, invoicing and managing the license.
billing automationlicensesmodulehostbillsoftware
https://hostbillapp.com/products-services/smartermail-licenses/
SmarterMail (by SmarterTools) is a full-featured email, group chat and team collaboration server. HostBill allows to sell SmarterMail Licenses in a fully...
billing automationlicenseshostbillsoftwarewebhosts
https://hostbillapp.com/products-services/litespeed-licenses-reseller/
Resell LiteSpeed Licenses and let HostBill automatically handle billing, invoicing and account management. All existing licenses can be imported to HostBill.
billing automationlitespeedlicenseshostbillsoftware
https://apache.org/licenses/
apache software foundationlicenses
https://hostbillapp.com/products-services/openprovider-licenses/
Resell OpenProvider Licenses and automatically create accounts. Let customers configure license options during order. Charge for OpenProvider license addons.
billing automationopenproviderlicenseshostbillsoftware
https://www.isc.org/licenses/
Most ISC software is open source.
open source softwareisclicenses
https://fossa.com/blog/open-source-licenses-101-mit-license/
Jan 28, 2021 - Exploring the MIT License, a popular open source software license, its permissions, restrictions, and comparisons to other licenses.
open source softwarelicensesmitfossablog