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Can you change open source license?
Summary: No, you cannot revoke a license, but you can change it for new users, and you can have multiple options for licensing. If you are not the sole author then it’s more complicated. All contributors must agree to the license change explicitly.
Can you change the license on software?
Each version of the product you release is governed by it’s own license, and if you are the sole developer, you can choose whatever license you want at any time, and change it at any time.
Can you sell software under an open source license?
You can even sell Open Source software. However, note that commercial is not the same as proprietary. If you receive software under an Open Source license, you can always use that software for commercial purposes, but that doesn’t always mean you can place further restrictions on people who receive the software from you.
Can I restrict how people use an open source licensed program?
In particular, copyleft -style Open Source licenses require that, in at least some cases, when you distribute the software, you must do so under the same license you received it under. Can I restrict how people use an Open Source licensed program?
What does a permissive open source license mean?
A “permissive” license is simply a non-copyleft open source license — one that guarantees the freedoms to use, modify, and redistribute, but that permits proprietary derivative works. See the copyleft entry for more information. Only if it uses one of the approved licenses, and releases appropriate software.
When is an open source license not a copyleft license?
Most copyleft licenses are Open Source, but not all Open Source licenses are copyleft. When an Open Source license is not copyleft, that means software released under that license can be used as part of programs distributed under other licenses, including proprietary (non-open-source) licenses.