S3Drive is described as 'Zero Knowledge E2E encrypted storage compatible with any S3 provider' and is a File Sync tool in the backup & sync category. There are more than 10 alternatives to S3Drive for a variety of platforms, including Windows, Linux, Mac, Self-Hosted and Web-based apps. The best S3Drive alternative is Nextcloud, which is both free and Open Source. Other great apps like S3Drive are Syncthing, MEGA, ownCloud and Seafile.
On-premises solution offering file sync, universal data access and collaboration through Nextcloud Files, Talk, and Groupware. Ensures secure, controlled data storage for enterprise with powerful privacy tools including encryption, fine-grained access, and a bug bounty.
Open-source, peer-to-peer service offering encrypted file synchronization, ensuring data privacy and user-autonomy without relying on cloud storage or central servers, suitable for various uses.
This cloud-storage service offers end-to-end encryption, selective synchronization, and shared folders without ads. Supports offline access, two-factor authentication, encrypted backup, a command-line interface, and dark mode for comfortable use.
Self-hosted option for secure file sync, sharing, calendars, contacts, and mail supporting mobile, desktop, web access and external storage, real-time collaboration, password-protected links, document editing, anti-virus scanning, and LDAP integration.
Open source cloud platform for organizations with self-hosting, device file synchronization, sharing, versioning, secure encrypted storage, admin controls, web access, audit logging, and support for desktop and mobile clients for secure collaboration.
SparkleShare is a Free Open Source syncing tool. Its light, secure and easy to use. SparkleShare allows you to setup your own servers so you always keep control on your data.
A Dropbox-like file manager that let you manage your data anywhere it is located: FTP, SFTP, WebDAV, Git, S3, Minio, Dropbox, Google Drive.
Storj Object Storage is a distributed cloud object storage which is fully Amazon S3-compatible, globally distributed and encrypted.
Librevault is an open-source peer-to-peer file synchronization program, designed with convenience and privacy in mind. Our goal is to make a better alternative to BitTorrent Sync and Syncthing.
All you need in a team collaboration tool dedicated to small efficient teams. Chat, notes, drive, online collaborative edition, calendars, news, spaces, notifications...
Open-source, decentralized peer-to-peer service offering file synchronization, ensuring data privacy and encryption and user-autonomy without relying on cloud storage providers.
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S3drive focuses on storing files in S3 buckets. Encrypted or not. That's it. Nextcloud is the all-in-one solution for hosting your own files AND colaboration (calendar ...).