Our Daily Bread: Short daily devotionals and other resources for learning about the Bible. https://odb.org/
Biblegateway: Read the Bible in any version or search for a passage. A searchable online Bible with Bible study tools and reading plans.https://www.biblegateway.com/
Revised Common Lectionary: Find the lectionary readings for each Sunday. https://lectionary.library.vanderbilt.edu/
Hymnal.net: Search for a hymn to find lyrics and a simple accompaniment for singing along.
Learn about the history of your favorite hymns and more. An extensive database for the hymn enthusiast. https://hymnary.org/