File sharing

LocalSend – app allows you to send files and messages on local network. A free and open source program

Seafile Client is a free and open source Seafile desktop client for file synchronization and sharing

MegaBasterd is a free and open source, multi-platform unofficial file sharing service client MEGA.nz

VGrive – free and open source Google Drive client with automatic synchronization for Linux

OnionShare is a free and open source, multi-platform program that allows you to securely and anonymously share files, host websites, and communicate with friends using the Tor network

MEGA – free program for syncing and backing up data to cloud storage MEGA.nz

Dropbox – a free cross-platform client for storing files in the cloud

Yandex.Disk – free and open source graphical utility that you can use to set up a connection to Yandex.Disk on Linux