ShareDrop - HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC
Bashupload - Upload files from command line to share between servers
SHAREit - SHAREit allows you to transfer files and data from your phone to another device without having to rely on WiFi or a data plan.
FilePizza - Open source application used to transfer file via WebRTC and WebTorrent.
Warpinator - Share files across the LAN. Contribute to linuxmint/warpinator development by creating an account on GitHub.
BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.