biblestudytools – concordances, dictionaries, interlinear bibles, bible searching, encyclopedias
sermoncentral – a site with hundreds of sermons from various men.
bible.org – the home of the Biblical Studies Foundation (Dallas Seminary)
blueletterbible – a helpful online study bible with commentary
ccel.org – Christian Classics Ethereal Library (Wheaton)
gty.org – Grace to You website (John MacArthur)
DesiringGod – a collection of John Piper’s sermons
spurgeon.org – a collection of Charles Spurgeon’s sermons (Phil Johnson)
unbound.biola.edu – a helpful study bible that allows Greek word searching
theologicalresources.org – The Master’s Seminary Journal and other resources online
The Logos Academic Blog – an especially helpful Greek Parsing guide to the NT
bibleprophecyblog – news and commentary from a biblical perspective
Bible Gateway – multi-version bible searching tool
Crosswalk – more general Christian resources
Audiobible – listen to A. Scourby read the King James Version
Oneplace – listen to hundreds of Christian radio broadcasts
ChristianPost – up-to-date news from a biblical viewpoint