BibleTime is described as 'Completely free Bible study program. The programs user interface is built with Qt framework, which makes it run on several operating systems including Linux, Windows, FreeBSD and Mac OS X' and is a Bible Study tool in the news & books category. There are more than 25 alternatives to BibleTime for a variety of platforms, including Android, iPhone, Windows, iPad and Web-based apps. The best BibleTime alternative is AndBible: Bible Study, which is both free and Open Source. Other great apps like BibleTime are e-Sword, YouVersion, JW Library and Bible by Olive Tree.
JW Library has a vast library of reference material. Also, It has material available in hundreds of languages. It is not just a library of reference material - there is also a very large library of Christian music, short teaching videos, and longer documentaries, and movies that portray historical events from the Bible that build faith in God, and also movies showing how Bible prinicples can be applied in modern life.