• Ligonier Ministries: ligonier.org
Founded by Dr. R.C. Sproul in 1971, Ligonier Ministries exists to proclaim, teach, and defend the holiness of God in all its fullness to as many people as possible.
• The White Horse Inn: whitehorseinn.org
Founded by Dr. Michael Horton in the 1980s the White Horse Inn mission is mission is to help Christians know what they believe and why they believe it through conversational theology. By applying apply timeless Christian doctrines to the questions of our day.
• The Gospel Coalition: thegospelcoalition.org
Founded by Tim Keller, D.A. Carson, and John Piper, The Gospel Coalition exists to help people navigate the dizzying, deafening noise by hearing more clearly, “the words of eternal life” (John 6:68) of Christ that are the only source of ballast in our unsteady, sin-sick world.
• Third Millennium Ministries: thirdmill.org
Founded by Dr. Richard Pratt RTS seminary professor, Third Millennium Ministries provides seminary quality instruction and lectures available to all who would like to listen.
• Reformed Theological Seminary on iTunesU: itunes.rts.edu
RTS on ItunesU provides free of charge the audio from certain recorded seminary courses from Reformed Theological Seminary.
• Redeemer Network (Free resources): gospelinlife.com/?fwp_cost=free
Here you can find free teaching material from the Redeemer Network of churches founded by Pastor Tim Keller (who is also a founding member of The Gospel Coalition).
Monergism.com is a free, comprehensive online theological library comprised of Reformed Christian resources designed to bring glory to Jesus Christ alone. The directory consists of original and aggregated content from around the world emphasizing the good news that salvation is God’s free gift for guilty sinners, not a reward for the righteous.
• Online Bible: www.biblegateway.com
• Evangelical Association of Reformed and Congregational Churches: www.evangelicalassociation.org
• The Heidelberg Catechism: www.wts.edu/resources/creeds/heidelberg.html