Questions tagged [apache-2.0]

The Apache 2.0 license is a license created by the Apache Software Foundation. Use this tag when the item in question relates to this license.

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51
votes
3answers
4k views

Should I include license text in a single file or all source files?

Many licenses, such as Apache 2.0, have both a long and a short form. Typically, the long form is included in the repository as a single LICENSE file, and the short form is used in the actual source ...
14
votes
2answers
2k views

Combining code written under different licenses (Eiffel Forum License, MIT and Apache), what are my options?

So I'm new to all this licensing jazz, and I've just started work on a project I'd like to one day publish as open source. I've found a couple of projects so far that have code to accomplish stuff ...
2
votes
1answer
159 views

Does inbound=outbound apply to Apache 2.0 without a CLA?

The traditional expectation for contributions to a free software project are "inbound=outbound" [1] [2]. That is, if the project is under license X, contributions are made under license X. Does this ...
9
votes
1answer
542 views

What if anything is wrong with the Apache License 2.0?

I occasionally see claims that the Apache license makes it difficult to incorporate your code into other projects. See for example: That's awfully disconcerting news, considering the difficulties ...
13
votes
1answer
4k views

Against what does the Apache 2.0 patent clause protect?

The Apache 2.0 patent clause says: Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, ...
7
votes
1answer
2k views

Apache 2.0 license - NOTICE, CHANGELOG

I have a question about the NOTICE and CHANGELOG files in Apache 2.0 license. Here is the situation: I based my work on an Apache 2.0 licensed project. I did some minor changes (compared to the ...
8
votes
1answer
697 views

Adding feature to an Apache v2 package

I'm working on one npm package based on another one but with another approach, this package is licenced under Apache v2 and I want to use MIT. After some use of my package I've noticed I need to use ...
4
votes
1answer
2k views

Can I use a Apache v2 licensed driver for a commercial project without revealing sources of the project?

I am building a project that will be commercialised. One of the library I use is licensed under Apache v2. To my understanding, if I modify the library, I need to give the source of the library with ...
14
votes
2answers
3k views

Can I link a Apache 2.0 library into software under GPLv2?

The Apache 2.0 License has a built-in linking exception: For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to ...
10
votes
1answer
275 views

What am I supposed to do if someone is breaking the terms of my licensed software?

What should I do if someone is breaking the terms of my licensed software? To create a small example for you, I'll take a section out of the Apache 2.0 license: You may add Your own copyright ...
8
votes
1answer
1k views

Android - External library license in project

I'm building my first Android app and I imported two external GitHub libraries into my project. Both of these libraries use Apache License v2.0 and the LICENSE file says: If the Work includes a "...
3
votes
2answers
140 views

What additional benefits does the DCO provide?

If my project has a lax license (like Expat/MIT), I can enforce "inbound=outbound" by requiring that contributors sign off their commits in order to acknowledge the Developer Certificate of Origin. I'...
15
votes
1answer
2k views

What does “express grant of patent rights from contributors to users” mean?

I'm trying to choose which open source license I should use in my app, and in the description for one of the licenses, it says the license provides an "express grant of patent rights from contributors ...
1
vote
2answers
498 views

I'm using 2 libraries licensed under Apache 2.0. How do I comply if my app is proprietary software and I'm not modding the libraries?

How do I comply with the apache 2.0 license in this context. Neither of these libraries have a notice file. Do I just include the apache 2.0 license to be available with my app's release (like in the ...
10
votes
1answer
174 views

What are the requirements of the crayon license for the Penn Tree Bank Tokenizer

The Penn Treebank tokenizer is fairly widely used. It is a solid tokenizer, that is based only on regex. For example, it is a word tokenizer in NLTK. NLTK does not make mention of it in their LICENSE....
5
votes
1answer
437 views

Include Appendix of Apache 2.0 in LICENSE file?

I want to use the Apache 2.0 License on one of my projects. Apache 2.0 recommends putting a boilerplate header in each code file right before module level documentation in it's Appendix section (...
5
votes
1answer
537 views

Does the Apache license provide any benefit if I don't have any patents?

As far as I understand, the Apache 2.0 license is a fairly permissive license. It seems to me as if the only difference between the Apache license and other licenses (such as the MIT license), is the ...
3
votes
2answers
521 views

Monetizing and licensing with AGPL libraries

I am just curious about, what license should i use for app(android), i have written in my free time. I am using some libraries, which have this licenses on it: Apache 2.0 license MIT license GNU ...
3
votes
2answers
440 views

How can I open source a repository on Github by using Apache license in only one file?

To license a project in Github ,can I do it like this: There are many files like src->Java, res etc for my Android app So i want to use Apache license v 2.0 for open sourcing it So will the license ...
3
votes
1answer
789 views

Apache License 2.0-licensed code included in commercial closed source software

I spent an hour looking for an answer to this question, although I would think a quite common situation, I did not get a totally clear answer to my specific case: So I am selling a (P)roduct which is ...