PGP Everywhere - PGP Everywhere is an iPhone / iPad app that allows you to utilize the security of PGP encryption anywhere you type, in almost any app!
Dropbox - Online Sync and File Sharing
DESlock+ - DESlock+ is a suite of encryption instruments designed to shield in opposition to unintended storage platforms like the loss of a USB stick or computer and to allow relaxed collaboration and information sharing within the boundaries.
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
KETS Quantum Key Distribution - KETS Quantum Key Distribution service is a utility that allows future-proof, quantum-safe communications at ultra-low power in a low-cost Quantum Key Distribution chip.
Google Drive - Access and sync your files anywhere