1.btsync – Very convenient synchronization software
2. File sharing sites
https://gofile.io
https://anonfiles.com
https://transferkit.io/
https://www.filehosting.org/
https://send.cm
https://wormhole.app
https://dropmefiles.net/en/
https://www.sendbig.com
https://www.swisstransfer.com/fr
https://www.sendfiles.net/
https://tmp.link/
https://toffeeshare.com
3.Cloud storage
Using Cryptomator.
mega 20G
storj 150G (S3)
onedrive 100T+
dropbox 5G
google drive 15G