The Adoremus Society (Society for the renewal of the Sacred Liturgy')
Catholic Answers! -Apologetics
Catholic Converts' Connection
Catholic Family Perspectives Weekly
EWTN -- Tons of files, art, and SUPER links! This ought to keep you busy for a while!
Ignatius Press
Institute on Religious Life
Meeting Christ in the Liturgy- Weekly reflections by Father Cusick on the Sunday Gospels and the CCC.
The Nazareth Resource Library! (James Akin)
New Advent -- Everything you could ever want! Both Catholics & non-Catholics should stop by here!
Opus Dei
Pax et Veritas - A traditional Roman Catholic site loyal to Rome
Priestly Fraternity of St. Peter
St. Joseph Communications
Una Voce -- Info about the Tridentine Mass and Traditional Catholicism. **LOYAL to Rome.
The Vatican......No Catholic page would be complete without this link!

Catholic Chat Sites

Bible.org
Catholicity (Password needed - follow instructions)