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.
Volume Control Panel Pro - Volume Control Panel Pro is an efficient mobile app that enables its users to control the volume of the system conveniently.
SocialVault - Decentralized, encrypted storage and browser for your Facebook data.
Orgzly - Outliner for notes, tasks and to-dos
Tresorit - Encrypted cloud storage for your confidential files. Using Tresorit, files are encrypted before being uploaded to the cloud. Start encrypting files for free.
Notes Taking - Notes Taking app contains features to enable you to take your note-taking experience to a whole new level by getting complete control of your digital notes.