ShareDrop

ShareDrop is an open source web app that allows you to share files among devices within your local network. This doesn't use any server to send files and is similar to Apples Airdrop.

The only requirement for sending files between devices is that any two devices that are associated should have access to https://www.sharedrop.io/ website using a web browser. Therefore, there is no need for any installation or setup.

The instructions for shareing is given in the website in how to connect two devices, and it is just by visiting a unique url provided in one device from the other.