Free bibles & studies:

​Visual storytelling meets the Bible: A "better than seminary" education for free.  www.thebibleproject.com
Free text and audio Bible app available in 1236 languages.  www.bible.is
Searchable on-line Bible, more than 200 versions, and study materials.  www.biblegateway.com
​Bible search & study tool: https://www.blueletterbible.org

​free books & speeches & papers:

Christian Classics Ethereal Library:  www.ccel.org
Project Gutenberg: http://www.gutenberg.org​
Open Library: https://openlibrary.org​
Free Historical books of Puritans - http://www.puritanlibrary.com​
​Free Audiobooks - LibriVox:  ​https://librivox.org
Archive of Speeches: ​https://www.americanrhetoric.com/speechbank.htm   ​https://www.americanrhetoric.com
Christian speeches: https://www.americanrhetoric.com/christianrhetoric.htm
​Scholarly Research Papers: https://www.ssrn.com/en/
​Free Tracts - Gospel of John - Pocket Testament League: https://www.ptl.org/about/