All twenty-nine modules
Module

Events

One calendar the whole institution reads, with attendance taken against the event itself.

What it does

Events, in practice.

I

Recurring events, with audiences you choose

II

Reminders that send themselves

III

Attendance marked against the event

IV

Visible to exactly the people it concerns

Runs well with

Nobody buys one module.

Every part of Vatika reads the same people, the same classes and the same year — so switching one on makes the others better, not busier.

Put Events to work.

Thirty minutes, your own data, an honest answer.