Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
instashare - Share your photos to instagram from your mac
e2ee cloud - e2ee-cloud is a open source, self-hosted, end-to-end encryption software.
BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.
Filecamp - Digital Asset Management & Online Proofing tools beautifully integrated, into one secure and cost-effective solution. Manage all your digital marketing assets from your own good-looking, easy-to-use spot in the cloud. Unlimited users in all plans!
ToffeeShare - Send files of any size directly from your device, without ever storing anything online.