Bible Gateway - The most widely used searchable online Bible in virtually any translation you could want.
ESV Study Bible - The best Bible is the Bible you read, but we commend this edition as well worth your attention.
The Revised Common Lectionary - Vanderbilt Unversity
A Reverse Lectionary - Instead of listing the Lectionary readings by date this page will tell you what date any given Scripture passage will be read.
The Lectionary Page - This page will tell you what readings to expect on the upcoming Sundays and feast days.