Plover - Browser Airdrop - transfer files to anyone, any device
FileRoom.io - Browser airdrop to send files to anyone, on any device
Starfiles - File hosting done simple
Pocket Drive - Wirelessly transfer files from desktop to iPhone or iPad
Droplr - Droplr is a tiny application that aims at helping people share things easier.
Frame.io Watch Folders - Accelerated, secure, & indestructible uploading to Frame.io