“A leading user of the Mule project posted a glowing case study
on the Mule (leading open source ESB) project a few days ago.
Innocuous and helpful.“The criticism of it has not been. Why is ‘the community’ up in
arms? Well, it turns out that a few people that don’t use Mule are
incensed by the fact that it is licensed under the… Mozilla
Public License. Well, not quite–they’re incensed that Mule is
licensed under the MPL plus has an addendum (permitted under the
MPL) that requires attribution (‘Powered by MuleSource’ or
something like that). The OSI long ago approved the MPL, and also
approved several attribution licenses…”