Alternatives to Insync
A desktop sync client for Google Drive, OneDrive and Dropbox on Linux, Windows and macOS. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Insync
A desktop sync client for Google Drive, OneDrive and Dropbox on Linux, Windows and macOS.
Replacements
Listings that take over the same core job as Insync.
Rclone
A command line tool that syncs, copies and mounts files across more than seventy cloud storage services.
Rclone is free, open-source MIT software supporting over seventy cloud services with encryption and mounting, but it is command line only.
RcloneView
A graphical file manager built on rclone for browsing, syncing and mounting cloud storage.
RcloneView adds a graphical interface over rclone's 70+ providers with free mounting, though it is closed source and some features need the paid Plus upgrade.
Rclone UI
A cross-platform desktop graphical interface for rclone and S3 storage.
Rclone UI is a free, open-source desktop front end for rclone on Windows, macOS and Linux, but it depends on rclone for the actual transfers.
ExpanDrive
Mounts cloud storage and file servers as native drives on macOS, Windows and Linux.
ExpanDrive mounts major clouds plus FTP, SFTP, WebDAV and S3 as native drives that stream on demand, and it is free for personal use rather than paid.
Air Explorer
Desktop app for managing, transferring, syncing and encrypting files across many cloud storage accounts.
Air Explorer manages more than 50 cloud services with scheduled sync and encryption, but runs on Windows and macOS only, without Linux support.
odrive
Desktop sync client that keeps Procore and other cloud documents in sync on Windows and Mac.
odrive syncs SharePoint, OneDrive and Procore documents on Windows and Mac, but is now aimed mainly at construction teams and has no Linux version.
GoodSync
Block-level file sync and backup with versioning and many back ends.
GoodSync offers block-level sync with versioning across many back ends on desktop and mobile, under a paid per-user licence.
CloudMounter
A desktop app that mounts cloud storage accounts as local drives in Finder and Explorer.
CloudMounter mounts Dropbox, Google Drive, OneDrive and S3 as drives in Finder and Explorer instead of syncing them, and it has no Linux version.
Similar software
Related functionality, not a direct replacement.
Google Drive
Google's cloud storage and file sharing service with desktop sync and mobile apps.
Microsoft OneDrive
Microsoft's cloud storage, built into Windows and Microsoft 365.
Dropbox
The original file sync service, with clients on every platform.
MultCloud
Web service that transfers, syncs and backs up files between different cloud storage accounts.
RaiDrive
Maps cloud storage and remote servers as drives in Windows File Explorer or a Linux file manager.
NetDrive
A program that mounts cloud and remote storage as a local drive on Windows and macOS.