Jesus Army – Several publications and books available for download and reading online.
“Memorize the Bible” – Dr. William Evans – Online only.
Old Paths Magazine – Adobe (PDF) copies of some of the classic preachers.
Plough – Numerous categories
Puritan Library — Classic Christian writings
NTS Library – Christian biographies – part of the larger library
What Saith the Scripture – Adobe (PDF) & text downloads from Spurgeon, Finney, etc.
Wholesome Words – Christian Biography Resource
Blue Letter Bible Institute – Courses available – registration required to take class
Christian Courses – Several Free Bible Study Courses
Hebrew – Basic Hebrew for Christians
New Testament Greek – Basic Studies in Greek
Unicode Fonts – So you can type in Greek