Bible Gateway (www.biblegateway.com) offers many Bible versions online—in multiple languages—and provides many online Bible study resources as well.

In addition to online print Bibles, Bible Gateway has a selection of audio Bibles in several English versions including the NIV, KJV, and CEV (see full list below).

Bible Gateway also provides online audio New Testaments in Arabic, Slovak, Spanish, and Plautdietsch.

English Versions:
Contemporary English Version (New Testament)
English Standard Version (whole Bible)
King James Version (whole Bible)
New American Standard Bible (whole Bible)
New International Version (whole Bible)
Today’s New International Version (whole Bible)

Check out Bible Gateway’s audio Bibles at http://www.biblegateway.com/resources/audio/.