Open Source Backup & Sync Apps

Open-source, decentralized alternative ensuring data ownership with encrypted communication and peer-to-peer sync, void of central server reliance.

Manage partitions with ease, supporting resizing, moving, and copying. Utilize GParted Live for cross-platform use on x86 machines.

FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your important files. Instead of copying every file every time, FreeFileSync determines the differences between a source and a target folder and transfers only the...

Open-source, end-to-end encrypted backup and sharing for photos and videos, with multi-platform sync, original quality, privacy controls, and collaborative albums.

A versatile client for SFTP, FTP, and other protocols for file transfer. It offers GUI choice, and supports automation and key authentication.

Free, user-friendly disk cloning and imaging software, boots from USB for Windows, Mac, and Linux. Supports Clonezilla backups and virtual machine images.

Filen is a cutting-edge cloud storage provider that offers client-side, end-to-end, zero-knowledge encryption. Headquartered and operated entirely in Germany, Filen is at the forefront of combining comprehensive features with uncompromising privacy and security.

Emphasizes privacy with end-to-end encryption, Proton Drive safely stores, synchronizes, and shares files across devices via web and mobile applications.

Open-source partition and disk imaging solution with multicast support, capable of cloning over 40 computers simultaneously. Offers free disaster recovery and deployment features.

Self-hosted platform for secure file sync, sharing, calendar, and contact management with desktop, mobile, web access, and multi-device syncing.

Command-line tool for syncing, copying, and checking files between local drives and over 40 cloud storage services with features like hashing, compression, and encryption.

Kvaesitso is a launcher application for Android which replaces the device's default home screen. It has been built from scratch, meaning it is not based on the AOSP launcher (like many other third party launchers) nor does it try to...

Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.

Securely store encrypted, incremental, compressed backups on local, cloud, and remote servers. Runs on multiple OSes and offers command line interface.

File and directory synchronization tool for Unix systems with delta encoding, compression, recursion, SSH support, permission preservation, and flexible filters.

Proxmox Virtual Environment is a complete and easy to use Open Source virtualization platform for running Virtual Appliances and Virtual Machines. Proxmox VE tightly integrates KVM hypervisor and LXC containers, software-defined storage and networking functionality on a single...

Clipboard manager storing unlimited history, supporting formatted text, images, HTML, quick search, organization by type, previews, editing, and data grouping.

PixelUnion is a privacy-focused, EU-based photo storage service alternative to Google Photos. It offers lossless uploads, free 16 GB starter storage, AI-powered face recognition, and more.

Hoard is an open-source game save manager and backup tool for Windows, Linux, macOS, and Steam Deck. It automatically detects supported games, monitors save files, and creates versioned snapshots after you play.

Seafile is an open-source file management and collaboration platform that goes beyond sync and share, offering extensible metadata, multi-level tagging, flexible file views, and AI-powered organization for smarter teamwork.

TrueNAS (formerly FreeNAS) is an operating system that can be installed on virtually any hardware platform to share data over a network. TrueNAS is the simplest way to create a centralized and easily accessible place for your data.

Sync-in is a sovereign, open-source platform for file storage, sharing, synchronization, and collaboration. It is intended for individuals, businesses, public-sector entities, and institutions seeking a controlled, scalable solution suited to their operational requirements.

Creates incremental snapshots of Linux systems, protecting system files and settings while allowing full system restoration without impacting personal files.

kDrive is a Swiss online storage service that respects its users' privacy and makes storing, sharing & collaborating on files a breeze.

dd, that stands for ‘data duplicator’, is a command-line utility for Unix mainly used for copying and converting data.