Rclone Shuttle: a GTK4 GUI for rclone for Cloud Storage sync

Rclone Shuttle is a GTK4 GUI for our clone, enabling users to seamlessly sync data with various cloud storage services such as S3, SFTP, WebDAV, and others. It provides a user-friendly interface with features like browsing directories, uploading and downloading files, encryption support, and the ability to open remote files locally. This tool, written in Rust, is available on FlatHub, adding a layer of ease on top of our clone's powerful command-line capabilities, making data management across systems more straightforward and accessible.