ShareDrop - HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC
Filestash - Filestash is a modern client for FTP, SFTP, S3, WebDAV, Minio,...
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.
Syncany - Syncany is an open-source cloud storage and filesharing application.
Warpinator - Share files across the LAN. Contribute to linuxmint/warpinator development by creating an account on GitHub.
FTPSync.pl - FTPSync.pl is a PERL skript to synchronize a local directory tree and a remote FTP directory tree.