On Saturday, August 20, 2016, <ciri...@gmail.com> wrote: > What is the name of the company you're referring to? > > > https://Cloud.sagemath.com
> > > > > > > > > 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> 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-commerci >> al-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. >> > To post to this group, send email to sage-...@googlegroups.com. >> > 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) >> > > -- > 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+unsubscr...@googlegroups.com > <javascript:_e(%7B%7D,'cvml','sage-devel%2bunsubscr...@googlegroups.com');> > . > To post to this group, send email to sage-devel@googlegroups.com > <javascript:_e(%7B%7D,'cvml','sage-devel@googlegroups.com');>. > Visit this group at https://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. > -- Sent from my massive iPhone 6 plus. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. 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