1
vote
1answer
159 views

Is open-sourcing previously-commercial engines a smart move? [duplicate]

I saw that the Unreal Engine is going open-source on github (see link1 and link2) and that made me wonder: "is open-sourcing a previously commercial engine a smart move?" What's the benefit to Epic ...
3
votes
2answers
144 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
115 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 ...
4
votes
7answers
608 views

Is there any well-known commercial project which is currently an open source ? [closed]

I mean is there some open sourced projects that were started as closed source and were commercially successful also? I am also interested in any story behind open sourcing them.
1
vote
2answers
454 views

How can one find out if open-source code was used in a commercial product?

Some open source licenses don't allow its usage in commercial products, but I bet some people/companies use it anyways. Is it possible to prove that a closed source, commercial product illegally ...
3
votes
7answers
427 views

What is the economic rationale for focusing on free, open source projects? [duplicate]

Possible Duplicate: Why programming open source? I'm having trouble understanding why people dedicate their time to an open source project that's free as in beer instead of focusing on a ...
4
votes
6answers
418 views

How can I charge money for open source targeted at individuals?

Most questions like this only seem to apply for big pieces of software for companies with money. I'm developing a small application targeted at individuals. Informally speaking, I want to sell the ...
9
votes
4answers
1k views

Is any JavaScript code used only for websites, open source?

Rewritten question: I'm not asking a JavaScript-related question, but all "client" languages used on the web (HTML5, JavaScript, CSS, and so on). If I put JavaScript code (that is GPLed) on my ...
5
votes
9answers
1k views

A friend wants some FREE CRUD code [closed]

A 'friend' of mine asked me to write a complete CRUD system with AJAX for him for free. What should I do? Technically, its bread and butter for me. However, I am wondering if I should get paid for it. ...
3
votes
3answers
164 views

For an open source project, is it legal and acceptable to link to commercial libraries?

For an open source project, is it legal and acceptable to link to commercial libraries? For example, an open source application I'm involved in would benefit from using commercial 3rd party user ...
3
votes
3answers
206 views

When creating an library published on CodePlex, how “bad” would it be for the unit-test projects to rely on commercial products?

I have started a project on CodePlex for a WebDAV server implementation for .NET, so that I can host a WebDAV server in my own programs. This is both a learning/research project (WebDAV + server ...