gpl

Can I use upx packer to compress a commercial program?

Can I use upx packer to compress a commercial program? Or does GPL restrict me from doing that? ...

using an icon under "GPL" or "LGPL" licence for commercial web design work?

Hi friends. :) Can we use an icon under "GPL" or "LGPL" licence for commercial work? I don't want to sell icon. I just want to use icon for my web design work. but I do this web design work for my client, so I take money for the web design Thanks a lot... ...

From a GPL standpoint, is it still open-source if no one knows about it?

If you use Ext JS you are required to either open source your app or pay for a commercial license. So I was wondering, if I open source my app, can I claim it's open source even if I'm not hosting the code on a public open source repository? I want to meet the requirements of Ext's Dual Licensing because I can't afford to pay for a comme...

What do licenses mean? GPL, MIT, CC etc.

Hello, I am trying to understand various licenses. I usually do small projects in which I use say a jquery plugin which is under MIT license. Now is it okay for me to do the same? Is there a sort of a matrix which compares all the licenses (major ones atleast) and tells me just one thing: Royalty-free ability to use in commercial proj...

Usage of ExtJS under GPL v3

If I decide to use ExtJS under GPL v3 instead of a commercial license model (Dual License Model), what exactly do I need to open source? I do not modify the library in any other way than configuration. Do I nevertheless need to publish the source code of my application? And if so, do I have to publish all code, even server side code? ...

Proprietary service backed by a GPL software?

Imagine this scenario: I develop an open source software (a kind of chatting server). And I don't mind if somebody decides to install this server and offer a paid service based on it. Does GPL license allow this? Or should I publish the software under MIT or smth like this? ...

GPL License in closed source application

Hello, This question has been asked multiple times I know. From what I understand, broadly speaking, if I include a GPL module in my app, I have to also release my app's source code for free. Now if the module is a java app (which I have modified) and included in my own java app, and say I use it as an applet on my website, do I need t...

MySQL Support for Python that's not under GPL-Like Licenses

Hello, I'm using Python/Django over MySQL. I'm currently working with MySQLdb that's under GNU GPL license. Is there a library with "similar" capabilities that's not under GPL-like licenses? To clarify: I don't know yet if I will want to distribute my source code or charge money for my application. What I do know is that I don't want...

Where can I find a comparison between Various software Licence?

I am a reading about software licenses. Do you guys know any resource/site that contains a comparison (Not individual descriptions) of Software licenses? ...

Calling GPL'd executable from my closed-source application

I am confused about the "viral" nature of GNU General Public License (GPL) version 2, particularly about calling a GPL'd application executable from my own application. Here is my story: I am thinking about developing a commercial, closed-source application that receives SMS through a GSM modem/phone, and then executes certain scripts....

GPL business models for a small company/shop/startup

Note: I don't have any awesome project that I'm intending to monetize, this is just something I'm thinking about What models are there for making profit from developing GPLed software? I've read around a bit and I realize that: You can charge whatever fee you want for distributing it When someone buys it from you, he can also (re...

Excluding copyright/license headers in minified Javascript

Could anyone give me some insight into the implications of removing the GPL headers from Javascript frameworks and their plugins when used in a commercial website? We are using a minifier and combiner tool to produce one script. The only problem is the GPL license on the combined files will be larger than the source! Are there legal r...

Who will prosecute if GPL code is misused

I have seen using of GPL code in proprietary software which is sold to customers. It seems so wrong that they are not releasing under GPL and not contributing to the Community Is there any authority to check the misuse of GPL? How misuse of GPL can be reported? ...

Obligations when releasing source code only under the GPL

If one is releasing the source only for a 'derived work' under the GPL, is it adequate to release only the code one wrote, or must one include the source for any libraries used. I made some software as a student without understanding the full implications of the GPL (I figured using GPL code was fine so long as my program was noncommerc...

Is sending a potential employer the source of a program for them to evaluate you distribution under the GPL

I have some programs I wrote before understanding the GPL which I might find difficult to convey under its terms because I do not have the entire source (including libraries and the possibly modified source of a GPL program that the work I'm releasing may be adequately reliant upon to qualify as derived). If I am simply sending the sour...

Is documentation for a GPL-derived work covered by the GPL?

I have a work that may be considered a derived work from a GPL'd work and would find it difficult to release the complete source for technical reasons. Is it permissible for me to distribute the documentation for this work by itself without any source code or binaries? Context is that I'd like to provide a technical writing sample on j...

Question on importing a GPL'ed Python library in commercial code

Hello all, We're evaluating a couple of Python libraries for Graph manipulation. We tried 'networkx' (http://networkx.lanl.gov/) and 'igraph' (http://igraph.sourceforge.net/). While both are excellent modules, igraph is faster due to its nature - it's a Python wrapper over libigraph - a blistering fast graph C library (uses LAPACK etc...

Can I sell closed source software that depends on an open source application?

I intend to sell a closed source software that depends on PostgreSQL (BSD-style license). Can I bundle PostgreSQL server in the package and install it with my software? Would it be also possible if I was using MySQL (GPL)? ...

Can my web site contain GPL code if I provide an API?

Say my web site is based on GPL code. AFAIK providing a service to users through a web site - even a paid service - does not violate the GPL. This is because GPL is about distribution and I haven't delivered any code. I'm providing a service and may charge for it. However, suppose I provide an API to my web site and charge money for us...

Obfuscation and GPL

This is a hypothetical scenario (ie: I just thought it up and I do not intend to do it!) What stops a company from preventing the effective use of a derivative GPL work by doing the following Fork the GPL project Make a derivative work Sell the derivative work and publish the source code in obfuscated form So technicly they have rel...