11
votes
11answers
3k views

Can a closed-source programming language survive? [closed]

A friend has written a programming language. It has a syntax reminiscent of SGML. He has written an interpreter for it, and an IDE. He and his colleagues use it in-house as a server-side language. It ...
3
votes
2answers
313 views

How can I close my Open Source project and what is required from me in order to make it closed source?

Let's say I wanted to close my "GPL v 2.0 (or similar)" licensed project, to which I'm the only contributor, and make it closed source. Do I still need to make the existing "GPL v 2.0 (or similar)" ...
1
vote
1answer
126 views

Using GPL software with closed-source hardware

Does it violate the GPL v3 if I were to use a gpl licensed firmware with my closed-source hardware that I am selling? Or do both have to be open-source, or do I just have to make the firmware source ...
17
votes
2answers
660 views

What are some ramifications of open source software turning into closed source software?

If a company takes a permissively licensed open source application and then develops a closed source application from that by reworking extensive parts of the application, adding new features and ...
3
votes
2answers
171 views

May I keep my program closed source if I link it against a static library of which the source is GNU GPLv2?

I'm putting much work in my program and after it's done I want to just setup a small website and sell each copy of the program but I don't want any legal issues. Do I have to look for another library ...
2
votes
2answers
254 views

Origin of the name “OpenServer” for the SCO Unix operating system

I was looking over the evolutionary history of Unix and Unix-like systems on Wikipedia and one operating system name stood out to me: OpenServer. Judging from the image, SCO's OpenServer is ...
2
votes
2answers
214 views

Source Code Only Allowed With One Open Source Project

I have an open source project that is licensed under the GNU General Public License v3 and it's done in Windows Presentation Foundation. I came across someone that sells themes/skins for WPF projects ...
2
votes
2answers
122 views

What is a good license for community submissions to commercial partially closed source software?

I am maintaining a small code base that I am considering selling– but I want to allow developers that use it to submit code for addition to the trunk. This way they can extend the framework and the ...
0
votes
4answers
243 views

Dilemma for growing a project: Open source volunteer developers VS closed source paid / revshare developers? [closed]

I am trying to grow my project, and I am vaccillating between some examples. Some options seem to be: 1. open sourcing the project to draw volunteer developers. Pros This would mean anyone can ...
30
votes
6answers
2k views

Reasons NOT to open source not-for-profit code?

I am a big fan of open source code. I think I understand most of the advantages of going open source. I'm a science student researcher, and I have to work with quite a surprising amount of software ...
3
votes
3answers
526 views

The overlap between open source and closed source

I would like to understand why do some people like open source and some others like closed source? Let me be more specific and make my question about web development. If I build my site using an open ...
1
vote
2answers
581 views

How does the license work for the LGPL open source framework?

Without knowing anything I wrote a big application, almost 1 year coding. It does Video/Audio such as softphone for commercial use (we sell it). I used a framework which was licensed under the LGPL, ...
1
vote
1answer
239 views

GPL and closed-source licensing for selling my script

I am working on a PHP script that I plan to sell without giving the user the ability to distribute it to anyone else. I have heard about GPL being viral and I have quite a few libraries that are ...
5
votes
2answers
223 views

How to effectively manage source control for project with both open and closed source?

I'm currently working on a project that has both an open-source "community edition" and a set of closed-source features for paying clients. One of the pain-points right now is figuring out how to ...
5
votes
13answers
2k views

What are some reasonable arguments in favor of closed source software? [closed]

I like a technology (including programming language) but its platform is closed sourece and many times I meet people who ask me, "why do you use a closed source platform, why not use an open source ...
86
votes
14answers
9k views

Is it illegal to rewrite every line of an open source project in a slightly different way, and use it in a closed source project?

There is some code which is GPL or LGPL that I am considering using for an iPhone project. If I took that code (JavaScript) and rewrote it in a different language for use on the iPhone would that be ...
14
votes
6answers
496 views

How do I spot and document a GPL violation?

How to spot that someone copied open source code licensed with GPL to their closed source commercial application, when you don't have access to their closed source code? Edit: Great answers! Part 2. ...
35
votes
15answers
2k views

How do you effectively compete with an open source project?

A company with a solid open source project competing against a traditional closed-source product seems impossible to beat. I read this article wherein the author lays out this scenario: Suppose ...
11
votes
8answers
1k views

I created a program based on an LGPL project, and I'm not allowed to publish the source code

I thought LGPL was a permissive license, just like MIT, BSD or Apache. But today I read, that only linking to LGPL (libraries etc) is allowed from closed-source code - other than that, it's copyleft - ...
4
votes
3answers
594 views

Will a copyrighted code get into public domain once its copyright expires?

Since source code license is protected through the Copyright Law (Berne Convention to be precise), and all copyrighted material will be in public domain for certain number of years, depending on which ...