/e/OS and Murena are the same company. Initially, they used the name /e/ everywhere, but a single letter is not searchable on the web, so they rebranded to Murena. Everything is now called Murena except the OS itself.
> as we are reaching more and more people and progressively catching interested from a mainstream audience, we have to introduce a new, strong brand, easier to use, easier to refer to and easier to share with people.
from https://gael-duval.medium.com/murena-smartphones-and-cloud-w... :
> as we are reaching more and more people and progressively catching interested from a mainstream audience, we have to introduce a new, strong brand, easier to use, easier to refer to and easier to share with people.