Send Anywhere - Send whatever you want, wherever you want
Warpinator - Share files across the LAN. Contribute to linuxmint/warpinator development by creating an account on GitHub.
AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.
LanXchange - A simple tool for spontaneous, local network file transfers.
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
SECuRET ProCam - SECuRET ProCam is one of the smart cameras that starts recording as it detects motion in the frame.