What is the name of the company you're referring to? On Saturday, August 20, 2016 at 4:15:56 PM UTC-5, William wrote: > > On Sat, Aug 20, 2016 at 8:15 AM, <cir...@gmail.com <javascript:>> wrote: > > I will add this: I'm a retired developer with 35+ years of writing > > commercial software, and I will gladly give my time, effort, and > expertise > > to open source software so that enthusiasts, students, amateurs, > teachers, > > and many others can benefit from it. However if it ever gets to the > point > > where some person or company is making a significant amount of money > from my > > freely given efforts, I doubt very much I would continue. > > > > One of the reasons I chose Sage as a project I would contribute to is > that, > > besides my lifelong love of mathematics, I felt that most of the users > of > > this software would be individuals who weren't using it to make money. > Maybe > > I'm naive about that, but I don't think so. There's a lot of open source > > projects out there that I wouldn't be part of simply because there are > so > > many companies using that software for their own profit. I suspect there > are > > a lot of open source contributors that feel the same way. > > > > -Bill > > So there is no confusion, my top priority right now is to **make a lot > of money** by building a profitable company on open source software > (Latex, Linux, Sage, Octave, R, etc.), and use that money to fund: > > 1. Sage development, > > 2. Vastly improve the *documentation* ecosystem around Sage, > > 3. Vastly improve the *support* ecosystem around Sage, especially > for the masses beyond elite research mathematicians. > > You may strongly disagree with this, or chose not to be involved in > Sage (or LInux, say) as a result. But to be clear -- I'm not hiding > this. > > -- William > > > > > > > > > > On Wednesday, August 17, 2016 at 12:02:16 AM UTC-5, William wrote: > >> > >> > >> > http://ask.sagemath.org/question/34442/can-i-create-commercial-software-using-sagemath > > >> > >> I put: "ANSWER: It depends on what you mean by "commercial software". > >> > >> ONE: If by "commercial software" you mean "closed source", then the > >> answer is no, you can't write and publicly distribute such software > >> legally. > >> > >> If you write a program that genuinely uses the Sage library in a > >> nontrivial way, then that program is a derived work of Sage and must > >> be distributed under the GPL (after all, there is no possible way to > >> run the program without calling many functions in Sage). > >> > >> When I started Sage, I took PARI -- a GPL'd program -- and started > >> building Sage on top of that. I was forced to GPL Sage because it was > >> a derived work of PARI. It's the same principle at work. Sage is very > >> much a LIBRARY, not just a programming language. > >> > >> We (Sage developers) also cannot sell or provide you with an > >> exception, because Sage itself depends on many GPL'd programs that we > >> do not own the copyright to. > >> > >> TWO: If by "commercial software" you mean software that makes money", > >> then yes, it is possible to build commercial software on top of GPL'd > >> software such as Sage. E.g., SageMathCloud is commercial (it makes > >> money) but is GPL'd. The Linux operating system is also GPL'd but > >> there are companies (like RedHat and Ubuntu) that make money from that > >> software." > >> > >> > >> -- > >> William (http://wstein.org) > > > > -- > > You received this message because you are subscribed to the Google > Groups > > "sage-devel" group. > > To unsubscribe from this group and stop receiving emails from it, send > an > > email to sage-devel+...@googlegroups.com <javascript:>. > > To post to this group, send email to sage-...@googlegroups.com > <javascript:>. > > Visit this group at https://groups.google.com/group/sage-devel. > > For more options, visit https://groups.google.com/d/optout. > > > > -- > William (http://wstein.org) >
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