First of all, I used Coda, after use Notion.
and then , I’ve moved most docs from Coda to Notion .
Bcz, Notion is a doc-oriented, all in one knowledge wiki and unlimited hierarchies pages which better than Coda docs. You can use Notion replaced Onenote/Evernote. But Notion have just basic task，basic database(Table) ,no action/automation that weaker than Coda for task/project management.
You can view simple comparison via [Updated]Coda, Notion, Airtable and the future looks like