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Can Apache License be used commercially?
No, you have no such obligation. The Apache 2.0 license does not contain any copyleft requirements that would require you to share your modified source code. From the Apache License FAQ: I HAVE MADE CHANGES TO AN APACHE PACKAGE AND I WANT TO DISTRIBUTE THEM.
What problems does Apache License solve?
The Apache License 2.0 makes sure that the user does not have to worry about infringing any patents by using the software. The user is granted a license to any patent that covers the software. This license is terminated if the user sues anyone over patent infringement related to this software.
Is the Apache License an open source license?
The Apache License is an open source software license released by the Apache Software Foundation (ASF). It’s a popular and widely deployed license backed by a strong community. The Apache License allows you to freely use, modify, and distribute any Apache licensed product.
How does Apache License 2.0 grant patent rights?
Explicit grant of patent rights: Apache License 2.0 explicitly lays down the grant of patent rights while using, modifying or distributing Apache licensed software; it also lists the circumstances when such grant gets withdrawn. Clear definitions of the used concepts: Apache License 2.0 explicitly defines all the terms and concepts that it uses.
Can you open source code under Apache 2.0?
A precedent where you can find an Apache 2.0 licensed code being redistributed as closed source for commercial purpose is t Apache 2.0 is a rather liberal license that permits you to do pretty much anything with the source code, and yes, that includes making your version proprietary.
Can a proprietary version of Apache be used?
Apache 2.0 is a rather liberal license that permits you to do pretty much anything with the source code, and yes, that includes making your version proprietary. However, you won’t gain anything by doing that, as nobody will use your proprietary program when a free and fully open source version is available by the original authors.