Online Backup Softwares and Apps

Zotero is a free and open-source reference management software that helps users collect, organize, cite, and share their research sources. It integrates seamlessly with web browsers and word processors to streamline the research and writing process.

Freehold is an open, secure, and lightweight platform for managing, syncing, and storing your files and data. It offers robust security features, including end-to-end encryption and encrypted backups, and supports various deployment options including self-hosting.

Tahoe-LAFS is a free and open-source distributed storage system. It focuses on security, privacy, and fault tolerance by encrypting, encoding, and distributing your data across multiple nodes.

Nextcloud is an open-source, self-hosted platform for file synchronization, sharing, and collaboration. It provides a private alternative to commercial cloud storage services, offering a comprehensive suite of tools including file management, calendar, contacts, and notes, all under your control.

Syncany was a discontinued open-source file synchronization and backup application designed with a strong emphasis on security and privacy. It offered client-side encryption and allowed users to back up and sync data to various cloud storage providers or even their own servers.

Duplicati is a robust, free, and open-source backup client that securely stores encrypted, compressed, and incrementally updated backups on various cloud storage services, remote servers, or local drives. It's designed for both technical users and those who prefer a guided configuration.

Cyberduck is a free, open-source client for file transfer, supporting FTP, SFTP, WebDAV, and major cloud storage services. It provides a user-friendly interface for managing files on servers and in the cloud.

Cryptomator offers transparent client-side encryption for cloud storage. It creates virtual encrypted drives, allowing you to protect your sensitive files on platforms like Dropbox, Google Drive, and OneDrive without sacrificing convenience or syncing capabilities. Your data remains confidential, even if the cloud provider is compromised.

arkOS was a Debian-based Linux distribution designed for easily self-hosting web services and applications. It aimed to simplify the process of running personal servers for tasks like file storage, email, and website hosting.

Cozy is a personal cloud platform designed to give users control over their digital lives. Store, sync, and share your photos, files, contacts, and calendar in a private and secure environment. It offers a suite of integrated applications to manage your data.

Librevault is an open-source, zero-knowledge peer-to-peer file synchronization tool emphasizing privacy and security. It allows users to sync files directly between their devices without reliance on a central cloud server, ensuring data remains under user control and is protected by end-to-end encryption.

Pulse is a free and secure decentralized file synchronization engine developed by Ind.ie. Designed with privacy and control in mind, it allows users to synchronize files and folders directly between devices without relying on central servers, promoting data ownership and resilience. While discontinued, it represents an important effort towards decentralized file management.

Dropboxifier is a utility designed to simplify adding any folder on your computer to your Dropbox sync folder by creating symbolic links, effectively allowing Dropbox to sync content that doesn't reside within its default directory.

Dropboxifier is a utility designed to simplify adding any folder on your computer to your Dropbox sync folder by creating symbolic links, effectively allowing Dropbox to sync content that doesn't reside within its default directory.

Tahoe-LAFS is a free and open-source distributed storage system. It focuses on security, privacy, and fault tolerance by encrypting, encoding, and distributing your data across multiple nodes.

arkOS was a Debian-based Linux distribution designed for easily self-hosting web services and applications. It aimed to simplify the process of running personal servers for tasks like file storage, email, and website hosting.

Freehold is an open, secure, and lightweight platform for managing, syncing, and storing your files and data. It offers robust security features, including end-to-end encryption and encrypted backups, and supports various deployment options including self-hosting.

Librevault is an open-source, zero-knowledge peer-to-peer file synchronization tool emphasizing privacy and security. It allows users to sync files directly between their devices without reliance on a central cloud server, ensuring data remains under user control and is protected by end-to-end encryption.

Cryptomator offers transparent client-side encryption for cloud storage. It creates virtual encrypted drives, allowing you to protect your sensitive files on platforms like Dropbox, Google Drive, and OneDrive without sacrificing convenience or syncing capabilities. Your data remains confidential, even if the cloud provider is compromised.