Bashupload - Upload files from command line to share between servers

Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.

BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.

Nubo - A self-hosted file sharing application in Haskell.

FilePizza - Open source application used to transfer file via WebRTC and WebTorrent.

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!