FileStar - With FileStar you can "do anything with any file".
NordLocker - Keeping files in the cloud? Protect them with leading-edge encryption. NordLocker makes file security easy.
Git Sketch Plugin - Version control for designers
Storj.io - Storj DCS is a decentralized, encrypted and fast Amazon S3-compatible object storage.
Wormhole.app - Wormhole lets you share files with end-to-end encryption and a link that automatically expires.
Vault 3 - Vault 3 stores your notes and photographs as an outline.