Zerobyte

SugarSync

SugarSync is a robust cloud-based file synchronization and online backup solution that allows users to access, share, and protect their data across multiple devices. Unlike traditional cloud storage that requires moving files to a specific folder, SugarSync enables users to sync any folder already existing on their computer to the cloud. The platform also offers advanced sharing capabilities, secure data encryption, and continuous automated backup to protect against hardware failure or accidental deletion. With mobile apps and web access, users can manage their digital lives on the go, making it a comprehensive tool for both personal and professional file management.

GoodSync

GoodSync is a robust and efficient file backup and synchronization solution designed to handle complex data management tasks with ease. It utilizes a powerful block-level data change algorithm to ensure fast and accurate transfers across local drives, network shares, and cloud storage providers. Whether you are managing personal documents across multiple computers or executing enterprise-grade server backups, GoodSync provides automated, scheduled, and real-time syncing capabilities. Its intuitive interface and reliable performance make it a trusted tool for preventing data loss and maintaining file consistency.

SyncBack

SyncBack is a robust and highly configurable data protection utility designed for Windows users ranging from home individuals to large enterprises. It allows you to safely back up, synchronize, and restore your critical files to local drives, network shares, removable media, and various cloud storage services. The software is offered in multiple editions—including a capable free version alongside advanced SE and Pro tiers—catering to diverse security requirements with features like automated scheduling, versioning, and robust encryption. Trusted by millions worldwide, it provides granular control over file handling and conflict resolution to ensure your data remains secure and accessible.

restic

restic is a fast, secure, and efficient backup program that is designed to be easy to use and highly customizable. It supports multiple storage backends, including local directories, SFTP servers, and cloud storage services like Amazon S3 and Google Cloud Storage.

cloudreve

Cloudreve is an open‑source, self‑hosted file management platform that lets you create your own private cloud. It provides a web interface for uploading, organizing, and sharing files securely without relying on third‑party services. Designed for individuals and small teams, Cloudreve supports multiple storage back‑ends, user authentication, and fine‑grained permission controls, making it a flexible alternative to commercial cloud providers.

Duplicati

Duplicati is a free, open-source backup client that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. It works with standard protocols like FTP, SSH, WebDAV as well as popular services like Microsoft OneDrive, Amazon S3, Google Drive, box.com, Mega, hubiC and many others.