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  1. #1
    Join Date
    Jul 2002
    Posts
    3,352

    what's the opensource liscense to use if you want to be open but still make profit

    you want your product to be open but at the sametime you can charge for support or "pro" edition.

    is MySQL's dual liscense the best appoarch to sell opensourced software? you still have the owner rights but if people want to include your software they must pay you a fee.

  2. #2
    Join Date
    Jan 2003
    Posts
    1,715
    A GPL/non-free, like MySQL and QT, allows the broader community to make use of your software while still allowing people to license it for proprietary purposes. You can offer support contracts under any free license, but you can't stop others from doing the same.
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  3. #3
    You can be like vhcs.net they have the control panel open source, but pro support costs...

  4. #4
    Join Date
    Mar 2004
    Location
    New Zealand
    Posts
    533

    Re: what's the opensource liscense to use if you want to be open but still make profi

    If it's your software (you wrote it) then you can licence it however you want - no licence can remove *your* rights to do what you want with your own creation.

    You could release the "lite" version as GPL and release the "pro" version as a closed source if you like.

  5. #5
    Join Date
    Nov 2003
    Location
    Netherlands
    Posts
    163
    Most seem to charge a commercial using of the sourcecode.

    maybe you could release the old version(s) as opensource, and the newest as closed.. just a thought.

  6. #6
    Join Date
    May 2004
    Location
    Singapore
    Posts
    262
    what's the opensource liscense to use if you want to be open but still make profit
    It is possible to make profit from software licensed under any Free/Open Source license.

    you want your product to be open but at the sametime you can charge for support or "pro" edition.
    You can always charge for support with any Free/Open Source license.

    is MySQL's dual liscense the best appoarch to sell opensourced software?
    Maybe, maybe not. It probably depends on the type of software and the market for it.

    you still have the owner rights but if people want to include your software they must pay you a fee.
    Whether or not you use a proprietary license or a Free/Open Source software license, you retain your copyright.
    Dual licensing schemes tend to only require a fee if derivative works are to be licensed under a proprietary license - otherwise the derivative works have to be licensed under a Free/Open Source license, perhaps even the original license itself.
    Of course, what exactly constitutes a derivative work for software is a matter of dispute among experts.

    Disclaimer: I am not a lawyer, this is not legal advice/opinion.
    #include<cstdio>
    char*s="#include<cstdio>%cchar*s=%c%s%c;%cint main(){std::printf(s,10,34,s,34,10);}";
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  7. #7
    Join Date
    Mar 2004
    Location
    USA
    Posts
    4,342
    The license does not matter..

    You can produce it lgpl for all it takes, but just make a support forum and charge people to access it... just like agora does to its products...

    Peace,
    Testing 1.. Testing 1..2.. Testing 1..2..3...

  8. #8
    Join Date
    May 2004
    Location
    Lansing, MI, USA
    Posts
    1,548
    Originally posted by Vult-r
    Most seem to charge a commercial using of the sourcecode.

    maybe you could release the old version(s) as opensource, and the newest as closed.. just a thought.
    This is almost essencially what TrollTech did with QT if I remember correctly.

    Edit: Meaning charging for commercial use in non-gpl applications not on linux.

    Releasing old versions really just wouldn't work/help adoption of your software.
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