Can a CC license be revoked?
CC licenses are not revocable. While you cannot revoke the license, CC licenses do provide a mechanism for licensors to ask that others using their material remove the attribution information. You should think carefully before choosing a Creative Commons license.
Can a Creative Commons license be changed?
Legally, the answer couldn’t be more clear: Creative Commons Licenses are irrevocable. However, there are some practical application points worth discussing, even if they don’t change anything legally. First, many, if not most, works licensed under Creative Commons are not used.
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?
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.
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.
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.