Warpinator is a free and open source file transfer software for Linux from Linux Mint team. Using Warpinator you can send and receive files across a network. It is simple and easy to use application. You just need to install Warpinator on all network computers and share your files. It comes with auto detect feature to connect with several Warpinator installed computers. You can also set port and option to accept or deny file transfers request.
How to install Warpinator on Ubuntu Linux
Warpinator is available as flatpak package from flathub. First install flatpak and flathub on your computer and then restart it. After that in terminal app (ctrl+alt+t) run below Warpinator flatpak command.
flatpak install flathub org.x.Warpinator
After the installation run this command to start Warpinator file transfer software.
flatpak run org.x.Warpinator
You can also uninstall it via below command.
sudo flatpak uninstall org.x.Warpinator