What are some alternatives?
When comparing Rclone and RaiDrive, you can also consider the following products
odrive - Odrive aggregates all cloud storage accounts in one system and keeps it synchronized, sharable and encrypted.
NetDrive - Cloud storage as hard disk
Air Explorer - Air Explorer is a software to manage all your multiple cloud drives (like Dropbox, Onedrive, Google Drive, Mega, Mediafire, Box, Hidrive, Yandex, Baidu,...) as well as WebDav and FTP connections.
ExpanDrive - ExpanDrive is a fast network drive and browser for cloud storage.
Mountain Duck - Cyberduck for mounting volumes in the file explorer. Available for Mac and Windows.
Koofr - Koofr offers safe EU based cloud storage with free storage space for life and options to connect multiple cloud accounts (Dropbox, Google Drive, OneDrive) and your personal storages.