Better Notes - Simple notes app that ties notes together with #hashtags
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.
SocialVault - Decentralized, encrypted storage and browser for your Facebook data.
NoTer - A lean, secure and social media-less repo for your ideas
Tresorit - Encrypted cloud storage for your confidential files. Using Tresorit, files are encrypted before being uploaded to the cloud. Start encrypting files for free.
Standard Notes - A safe place for your notes, thoughts, and life's work