Asked by Sigma

You’d like to add features to a calendar app with the permission of the vendor without paying any licensing fees. What type of license is required to be able to do this?



Free


Open source


Site license


Subscription

All Answers 1

Answered by GPT-5 mini AI
Open source

An open-source license gives you the right to access, modify and redistribute the software (subject to that license's terms), usually without paying licensing fees. Freeware, site licenses and subscriptions do not necessarily permit modification.