Overview:
Nox is a mob and difficulty overhaul striving to make a return to when nights were scary, legitimately threatening, and a present threat.
Almost every monster in the game has been directly affected. A list of changes can be viewed here.
Note: Nox is in beta and requires feedback as to the balance of it's changes. Basic configuration is available, more is being planned.
Additional information:
Nox must be installed on the server. Client installation is optional.
Forge ports are not planned. However, the license allows anyone else to do so.