OpenDrop is described as 'Command-line tool that allows sharing files between devices directly over Wi-Fi. Its unique feature is that it is protocol-compatible with Apple AirDrop which allows to share files with Apple devices running iOS and macOS' and is an app in the file sharing category. There are more than 50 alternatives to OpenDrop for a variety of platforms, including Windows, Android, Mac, Linux and Web-based apps. The best OpenDrop alternative is LocalSend, which is both free and Open Source. Other great apps like OpenDrop are Syncthing, Wormhole, SwissTransfer and Croc.