Re: [tlug] kickstarter for open source...

[Ulrike Schmidt <ulrike@example.com>]

Am 13.06.13 10:19, schrieb Stephen J. Turnbull:
> Creating a good spam filter is hard
> work, requiring many hours (20 is surely an underestimate) of careful
> attention to detail.  But doing it for Mailman is not going to attract
> a lot of high price downloads because people who have spam problems
> big enough to spend money on it will concentrate on spam-filtering at
> the incoming MTA, not in Mailman.  Since Mailman is GPL, your product
> has to be GPL too.  So you'll be lucky if you get 500 contributions of
> $1 each; the people who will want to use this feature are almost all
> most interested in the price=0 side of "free software."  (I spend a
> lot of time providing support on mailman-users.  This comes up a lot,
> but never backed by a commitment of resources.  At best somebody
> suggests to commit Google's resources, ie, a GSoC slot. :-( )
I don't think you would have a problem getting $1 from more than 500 
contributers if they knew how much has already been contributed by 
others and how much is still missing.