licensing

Selling a GUI for a GPL licensed application?

I will be writing a GUI for a GPL licensed command line code. The GUI will neither embed, nor link to the code. Instead, it prepares input files for the command line code, and visualizes the output. My question is this. If I were to commercially release the GUI, would It need to be GPL licensed as well? I apologize if the answer to thi...

Best tool for detect and report third party software licenses at your code.

Hi. Does anybody know good tools for analyze and detecting third party code (or pieces of code) at own projects? For example, I use some code from Sun (CDDL) in my project and had copyrights, but other developers can get licensed code and put it into the project without copyrights and license information. What I want it's a tool that cat...

If I license my app with GNU GPL3, does that prevent me from selling it on android market?

I'm using Google Code to host my application code, its conveniant and the SVN repository means I don't have to worry about backups When you create a project on there you need to select a license, I chose GNU GPL v3. By doing so, does that prevent me from selling my application on the Android market place? ...

How protect/license an Eclipse RCP feature/product?

How can I protect an Eclipse RCP based product? What I would like to do is ask for a licence key to the user and avoid adding more plugins or changing plugins that aren't 'signed by me'. Is there some plug-in to do this? Or should I use an external lincense tool like License3j or truelicense? ...

Was Samba ever distributed commercially?

I have heard that there was once a company whose only purpose was to sell Samba to corporations that forbade open source software. Is this true? If so, what was that company's name? ...

How long does GPL Copyright last?

How long from when the code is 1st written or distributed, until GPL Copyrighted material falls into public domain, in the United States? I'm guessing 120 years, but I'm not a lawyer. Also how has this(GPL'ed software copyright duration) changed if any over the years? Please Elaborate and Clarify my understanding. ...

Licensing an Eclipse RCP application as GPL

I'm currently developing an Eclipse RCP application an I would like to release it under GPL v 3. As far as I can tell, Eclipse Public License (under which the RCP code is licensed) allows this, but the Free Software Foundation says that EPL is incompatible with GPL. As I understand it, this only applies to the case where you want to use ...

Why should I make my product open? Why Not?

I am working on a really big project and I was wondering if i should make it open or have them pay for the license to use.. ...

can I ship a 'lein uberjar' containing some gpl3 classes?

I have a project that I have released under the GPLv3 that requires clojure.jar and clojure-tontrib.jar to run. I would really like to ship one big jar file with all of them. (perhaps with a license.txt also) Does anyone know of a clear legal explanation* if this is in keeping with the licenses? can i specify this in my license.txt...

What do I have to do to comply with LGPL requirements in a closed-source project?

apparently its loosely copyleft? but I was wondering if anyone could sum up what all it requires. like.. I don't want my project to have to be open source. ...

Picking an appropriate license

I'm working on a web based ladder system for a game. It is very game specific and I want to make the project open source so the community can give back, contribute and make the experience better for everyone. However at the same time I don't want people to re-use the code/implement the code on separate sites because the purpose of the we...

Licensing my code under AGPL since it uses iText

I created a command line wrapper which basically uses iText to list fields from a pdf file and merge an fdf file with the pdf file. I know iText is under AGPL but it seems that they only have a license.txt and notice.txt and a agpl.txt file packaged into their .jar. I am not good with licenses so I am not sure what is required for me b...

How can I prevent my legitimate customers from Breaking my license?

I have a commercial plug-in on top of Visual Studio. My product is licensed per individual developer, so the developer may make copies on more than one computer, as long as the use of the product is by the same developer. After a period of time I discovered that many of my customers purchase one developer license and distribute the pro...

Choosing a dual-license for an iOS library

The Situation: I am developing a library for iOS which can be used on the iPhone, iPod Touch and the iPad. I would like to distribute it for non-commercial use under an Open Source license and for commercial use on a pay-per-use basis. Issues: Commercial use consists of using the library in (i) in-house projects and (ii) in software sub...

Free, Then Open-Source Upon Death?

I've been quite surprised by free software models (after discovering postcard ware), so I thought it might be worth asking. I have an application I'm going to release as free software. However, in the case that I do not maintain it, or am unable to maintain it, it would be released as Open Source. Is there any kind of license like this?...

Program With Plugins: GPL With LGPL?

I have two distinct projects: The Program which I want to release under the GPL license. The Plugin API: Plugins are written using interfaces in this API, and The Program uses to the API to communicate with plugins. I want to release The Plugin API with the LGPL license. One problem is that I would not want plugins to have to revea...

Do I need to offer an iPhone app under GPL if the webserver software is licensed under the terms of the GPL?

I'm about to write an iPhone / Android app to have a nice GUI on my mobile devices for an Open Source project which is mainly a web software with html frontend. The server is licensed under the terms of the GPL 2. There will be an JSON API which I will implement in the server code. I will release the API on server side under the GPL 2 t...

MIT license vs GPL

The MIT license is GPL compatible. Is the MIT license GPL compatible? ie. I can include MIT licensed code in a GPL licensed product but can I include GPL licensed code in a MIT licensed product? It seems to me that the chief difference between the MIT license and GPL is that the MIT doesn't require modifications be open sourced wherea...

Is there an open source tool that searches your codebase for improperly used open source code?

Seems like there should be an Open Source tool that helps companies enforce OpenSource licensing compliance? The only open source tool we've been able to find only scans headers, it does not check the source code itself for pattern matches. There are closed source tools which we will use if we must, but I thought as a last-ditch effort...

Using together MsPL and Affero GPL in a .net application

I am developing a .net application that uses two libraries: iTextSharp for PDF creating, and DotNetZip for extracting files from zips. Both libraries are included in my application as dll's without any modification. iTextSharp is under Affero GPL, while DotNetZip is under Microsoft Public License. The license of my application is planne...