it does allowing forking and redistributing, but you cannot remove or obscure functionality related to payments. https://gitlab.futo.org/videostreaming/grayjay/-/blob/master/LICENSE.md

Is that not against their TOS? Could make the service more expensive for the rest of us

What’re you hosting on them?

I haven’t really configured a tagging system that makes any sense so it’s mostly used the search through documents through text. I’d like to figure out how to hook up a vector database to it to do really fuzzy searching

SnappyMail

why is it better than roundcube?

Underpowered is probably the reason, they’re small and really low powered. A pi could be a 1/10th the power consumption of an x86 computer, and thus less noise and heat.