I’m not sure you can considering how broad a term “better” is. I do know a lot of employees in a lot of non-tech organisations here in Denmark wishes they could still use Zoom.

Even in my own organisation Teams isn’t exactly a beloved platform. The whole “Teams” part of it can actually solve a lot of the issues our employees have with sharing documents, having chats located in relation to a project and so on, but they just don’t use it because they hate it.

Slack. No question.

Email, Jitsi, Matrix/Element, many of them, e2e encrypted and on-premise. No serious company (outside of US) which really care about it's own data privacy would go for MS Teams, which can't even offer decent user experience most of the time.