Bashupload - Upload files from command line to share between servers
BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.
FilePizza - Open source application used to transfer file via WebRTC and WebTorrent.
Surge Send - File transfer and storage made easy, fast, and secure.
Parsec - Streams games locally or over the internet
Wormhole.app - Wormhole lets you share files with end-to-end encryption and a link that automatically expires.