An online database of reformed and puritan theological works. Contains over 1.5 thousand E-books(many if not all are free), blog posts, and articles written by the reformers and puritans of old and new. Monergism has a website and a mobile app.

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A free Bible study app that is a 1 stop shop for all things Bible study. Study the Bible from any translation, commentary, or other theological writing. Contains useful features like in text notes/highlighting, original word analysis(Greek/Hebrew), powerful search features and so much more! Although the app is free to use along with many of its features, many books/translations must be purchased or can be obtained via monthly subscription. Logos has a mobile, web, and desktop app.

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Reformed Baptist ministry that focuses on recovery of the gospel and the biblical reformation of local churches. They have many study tools and resources such as: articles, blogs, online library, conferences, education initiatives, church finding tool, and many Bible study tools. Founders has a website and mobile app.

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