I’ve been told about Mull and fennec, but what about:
(From what I understand)
- Firefox Focus: blocks trackers and erases browsing history
- Firefox Nightly: new updates every night
- Firefox Klar: german version of focus
- Iceraven Browser: 3rd party fork with more add ons
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One of their partners in that region already established a brand under the same name.
From https://support.mozilla.org/en-US/kb/difference-between-firefox-focus-and-firefox-klar
If you think it is suspicious you should be able to spot it in the open source repository. Otherwise see the other, and probably only, reason for the different name.
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No, because they should be pretty much identical the only difference should be the name.
Just the name is different, since a german news magazine already claims the name “fokus”. Mozilla was forced to rename its browser because of that