Bashupload - Upload files from command line to share between servers
Send Anywhere - Send whatever you want, wherever you want
BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
FilePizza - Open source application used to transfer file via WebRTC and WebTorrent.
Datash - Send and receive files with end-to-end encryption