nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq46jllqmflmy96hjlwh6yq9xnryurvkwqvwcr5ly0kztgrqy8x4psa7a2se (nprofile…a2se) Best bet is KeePassXC on Linux and for Android KeePassDX. Then use Syncthing.
Email for free is a challenge as it typically comes at a cost even when free. Maybe Preveil https://www.preveil.com/, I've never used it nor know much about it.