The Church usually prefers that established rules be used for emerging congregations.

Cenobitic (can be used for eremitic)

Rule of St. Augustine
Rule of St. Benedict
Rule of St. Albert of Jerusalem
Rule of St. Francis of Assisi

Eremitic

Carthusian Statutes
Benedictine Camaldolese (Monte Corona)
Rule of St. Columba
Rule of St. Francis of Assisi for Hermitages