One rule of thumb is: Will you use it? (Since it's a project for a team) With whom?

Dogfooding [1] is a good way to make something that is good. You can also build a project for other people, but it's more difficult to get it right.

[1] Old posts by Joel Spolsky https://www.joelonsoftware.com/2001/05/05/what-is-the-work-o... and by Jeff Atwood https://blog.codinghorror.com/the-difficulty-of-dogfooding/