An open source cross-platform alternative to AirDrop.
Ystof
Warp allows you to securely send files to each other via the internet or local network by exchanging a word-based code.
Rhannu LAN
LAN Share is a cross platform local area network file transfer application, built using Qt GUI framework. It can be used to transfer a whole folder, one or more files, large or small immediatelly without any additional configuration.