Which license is more restrictive depends upon whose point of view you're using to consider the license. As someone else pointed out, the MPL retains more rights for the "inital developer" at the expense of the user.
The reason is that proprietary modifications can be made for "internal" use... and this includes web serving. This means that Microsoft could power all of.NET with a modified version of Interbase (see my root-level post) and not have to give up source. The MPL is a bad license.
Er...the GPL doesn't impose restrictions on private modification. Indeed, RMS has criticized other licences for exhibiting such a "Disrespect for Privacy". Many of RMS's problems with the NPL apply to the MPL as well. I won't repeat them all here, but the biggest problem is that it is not legal to mix MPL'ed and GPL'ed code (which comprises a more than 50% of free software today, IIRC).
P.S. Sorry about all the links to the gnu.org website, but when discussing licenses, sometimes it's the easiest way to convey the spirit behind the GPL.
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Which license is more restrictive depends upon whose point of view you're using to consider the license. As someone else pointed out, the MPL retains more rights for the "inital developer" at the expense of the user.
The reason is that proprietary modifications can be made for "internal" use... and this includes web serving. This means that Microsoft could power all of .NET with a modified version of Interbase (see my root-level post) and not have to give up source. The MPL is a bad license.
Er...the GPL doesn't impose restrictions on private modification. Indeed, RMS has criticized other licences for exhibiting such a "Disrespect for Privacy". Many of RMS's problems with the NPL apply to the MPL as well. I won't repeat them all here, but the biggest problem is that it is not legal to mix MPL'ed and GPL'ed code (which comprises a more than 50% of free software today, IIRC).
P.S. Sorry about all the links to the gnu.org website, but when discussing licenses, sometimes it's the easiest way to convey the spirit behind the GPL.