Here’s a list of resources (in no particular order), which I find helpful from time to time:

1. The Douay-Rheims Bible online: http://drbo.org/index.htm
2. http://summa-theologiae.org/
3. https://www.lifesitenews.com/catholic
4. https://thewildvoice.org/
5. https://www.barnhardt.biz/
6. https://fromrome.info/
7. https://canon212.com/
8. https://www.churchmilitant.com/