If you follow privacy news, you have probably heard that Skiff, an end-to-end encrypted productivity suite, announced that it has been acquired by Notion. We could not resist chiming in since Skiff was compared with CryptPad in the past.
Protonmail--I've used them for my custom domain email for the last 4 years and have had very few problems (other than needing to recompile the Protonmail Bridge app so I could use it on an ARM server)--I think I pay around $50/year. I selfhost Nextcloud for everything else (files, calendar, news, etc.)