YourNote - Notes app that puts privacy first
Curator - The visual notes app, now on iPhone!
SocialVault - Decentralized, encrypted storage and browser for your Facebook data.
Monolog - Monolog is a note-taking tool that is: a. native b. local-first c. supports backlinks
Cryptee - Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files.
OneSearch - Search experience with enhanced privacy features