e-Sword - e-Sword is a feature rich and user friendly free Windows app with everything needed to study the Bible in an enjoyable and enriching manner!
Bible by Olive Tree - Bible+, BibleReader or The Olive Tree Bible App is a fully featured Bible app.
Xiphos - Xiphos (formerly known as GnomeSword) is a Bible study tool written for Linux, UNIX, and Windows...
JW Library - Study the Bible in English, Koine Greek, and over a hundred other languages.
YouVersion - The Bible has the power to transform lives. YouVersion exists to help you regularly read, hear, and explore the Word of God.
The Word - Priceless Bible Software: Completely free, high-quality Bible Software for everyone. theWord is also portable and works directly off a USB flash drive