Blue Letter Bible - The Blue Letter Bible provides powerful tools for an in-depth study of God’s Word through our free online reference library, with study tools that are grounded in the historical, conservative Christian faith. http://www.blueletterbible.org/
Bible Gateway - The Bible Gateway is a tool for reading and researching scripture online -- all in the language or translation of your choice! It provides advanced searching capabilities, which allow readers to find and compare particular passages in scripture based on keywords, phrases, or scripture reference. http://www.biblegateway.com/
Hebrew Lexicon search site: http://www.blueletterbible.org/search/search.cfm?Criteria=love&t=KJV#s=s_lexiconc
Strong's Concordance with Hebrew and Greek Lexicon - The Strong's online concordance is a very useful tool for studying the scriptures. It takes every single word of the King James Version and lists where each word can be found in the scriptures. It is useful for locating scripture verses that you know the words to, but don't know the book, chapter and verse. http://www.eliyah.com/lexicon.html
Topical Bible - http://www.openbible.info/topics/
Children’s Bible Studies - These 325 bible studies for kids, covering the entire Bible, are free to download and use for nonprofit use. They are also available in Spanish http://biblestudyplanet.com/bible-teaching-for-adults/bible-teaching-for-kids/childrens-bible-studies/