PairDrop - Local file sharing in your browser. Inspired by Apple's AirDrop. Fork of Snapdrop.
LocalSend - An open source cross-platform alternative to AirDrop
Snapdrop - An open source alternative to Alternative to AirDrop.
Send Anywhere - Send whatever you want, wherever you want
Wormhole.app - Wormhole lets you share files with end-to-end encryption and a link that automatically expires.
ShareDrop - HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC