Notion is like a wiki that's friendly for non-technical folks. Website

I've had a bad experience though as they've sometimes lost my content. Because of this, I've started preferring self-hosted options like Federated Wiki.

You can create Anki Flash cards from Notion. Before you blindly convert, make sure you've read the 20 Rules of Formulating Knowledge. Rule 1 is "Don't learn things that you do not understand" and the best way to do this is to write your own notes. Converter