gpl

Use (L)GPL Code in commercial

I want to code a commercial web application and I wanted to use a PHP class which is under the LGPL license in that project. Could I use the class and must I make the project open-source (what I don't want to)? Edit: I don't want to sell the Code - I just want to offer special things in the web app. ...

Combining GPL with MPL and BSD

I have a software project I want to release under GPLv3, it uses two pieces of code that other parties have developed (one is the DLR by Microsoft, which is under the Microsoft Public License and the other piece of code is under the New BSD License). The BSD licensed code is compiled into the same binary as my code (but none of it is c...

Difference between Affero-GPL and GPLv3

What is the difference between the Affero General Public License and the GNU General Public License (GPL)? ...

Distributing source code with several different licenses.

(This is a follow up question to my question about combining GPLv3, Ms-PL and BSD licenses). I have a piece of software I would like to release under the GPLv3, however it requires two other pieces of code - one which is Ms-PL (Microsoft Public License) licensed and one that is BSD licensed. Is it possible to distribute the code under ...

Proprietary software built on top of GNU GPL

I'm thinking of building a piece of software on top of another piece of software which is licensed under the GPL. I am planning on licensing and selling the software. Could anyone who is familiar with the details of the license see any problems or pitfalls of having a dependency on a piece of software licensed under the GPL? ...

Combining GPL and non GPL plugins in a dual licensing scheme

Our company releases a software (A) under a dual license: GPL and a commercial license. The commercial license allows users to link in closed source plugins (B). Now, a third party has developed a plugin (C) under GPL. My question is if a client who has our commercial license may load plugin (B) and plugin (C) at the same time. (C) wil...

Joomla License and Templates / Modules

How does the GPL apply to external modules or templates installed into Joomla? I'm a bit confused whether a module, written in PHP using the joomla API's and works only with Joomla can be commercial, or whether it must be licensed as GPL. Also is the reason that it should not be GPL because the module was installed after Joomla and not...

GPLv2 or GPLv2 compatible Windows 7 TaskBar library?

I wish to integrate the new Windows 7 Taskbar Features into a GPLv2 licensed open source project (EVEMon). Microsoft's excellent Windows API Code Pack would work well however it is licensed under MS-pl which is incompatible with the GPLv2. I have found a Windows 7 Taskbar project on CodePlex, licensed under the MIT Licence which is GPLv...

How does GNU GPL Version 3 license work for CSS/Design?

I have downloaded a WordPress Theme that has a GNU licence. I need to modify it quite a bit to make it compatible with my site. How does the licensing work on this? The original had a "Designed by X" in the footer but now I have made changes, I'm sure they won't want to look like they created it any more as it is not the same as the or...

Does GPL offer absolute protection against redistribution of derivative work as closed sourced?

Looks like if I publish code under GPL and someone wants to produce a derivative work and redistribute that derivative work they must also publish the derivative work under GPL. I understand that it can be problematic to enforce the license: enforcing the license might require significant resources from me - attorney fees, etc. the de...

Distributing commercial software on a Linux virtual appliance, and the GPL

We want to distribute our (commercial closed-source) software as a virtual appliance. Our preferred OS is Linux. We do not want to violate the GPL, and we do not want to open source our own IP at this time. Can we legally do this? Or, do we need to use a an OS with a more permissive license (like BSD)? (PS: I understand that I will...

Does a project that was never released to public comply to GPL license?

Assume you develop a program that you were going to release to public. You develop it with aim to release it later under GPL license. Thus you add all those "NO WARRANTY" marks, and include a copyright and license notice to each file. However, something happens that prevents you from releasing the project, so it just sleeps on your ha...

Whats the point of dual-licensing?

I am wondering what the point of dual licensing is whenever the two licenses in question are both open source licenses. For instance, jQuery provides their library under either the MIT or GPL license. What is the point of doing this? Also, I've seen http://stackoverflow.com/questions/1174271/what-happens-when-open-source-software-has-...

Can I use GPLv2 dictionary files through an LGPL library in proprietary software?

I am considering writing and distributing a proprietary application that links against NHunspell (GPL, LGPL and MPL licensed) for spell checking. So far so good. However, many of the dictionary files on the Open Office web site are under the GPLv2 license. Question: Ethical considerations aside, would it be legal for me to distribute th...

Many libraries are LGPL ?

Hi, Why are many libraries LGPL nowadays rather than GPL ? Who is enjoying the benefits ? Thx in advans, Karthik Balaguru ...

Licensing issue on using libpurple

My own application will use libpurple. Since libpurple is GPL'd, I wonder if I could use MIT or BSD license for my application? ...

GPL license. Code reuse.

Hi, I am writing an application under GPL licence. I have found some useful code in another projects under GPL. I wonder if I can use it. 1) I would like to take a „Foo” class from „A” project and add it into my own project. Next, I would like to make changes inside „Foo” class (rename class name and functions name, change code ...

Can a project built using a framework under BSD license be released as GPL?

I am working on a project named Rosepad which is my vision of an Issue Tracking system. I know many people may call it "yet another foo", but it fulfills the void which I had witnessed. Now getting to the point, I am using CodeIgniter framework to build this web application. The framework itself is released under a permissive-style lice...

Use a GPL-licensed image

Can i use a GPL-licensed image on my website without making the code to the site GPL? ...

Strategy for handling linker errors?

Given a C++/gpl toolchain, what's a good method or tool to puzzle out linker errors? ...