Softwr
UrBackup logo

UrBackup

Open source client server backup doing both file and whole disk image backups of Windows machines

As of 31 August 2026, UrBackup is free to use. A backup server with a web interface that takes scheduled file backups and full disk images from Windows clients, plus file backups from Linux and macOS. Softwr lists it under Backup. UrBackup is available on Linux, Windows, macOS, FreeBSD.

Overview

What UrBackup does

UrBackup is an open source client server backup system. A server holds the backup storage and a web interface, and clients installed on each machine take scheduled incremental file backups and, on Windows, full and incremental disk images using volume shadow copies. Restores can be done through the web interface for files, or by booting a restore environment for a whole image, and an internet mode lets clients back up from outside the local network. What distinguishes it is the image backup path on Windows, which few free tools do well. Being able to restore a failed workstation to new hardware from a bare metal image, rather than reinstalling and then restoring files, is the difference between an hour and a day, and getting that without a licence per machine is why it is common in small offices and schools. Buyers are small organisations and homelabs with mostly Windows endpoints and someone technical enough to run a Linux server. The trade-off is that the storage design is delegated to the filesystem: deduplication is achieved with hard links or with btrfs and ZFS features, so the integrity of your backups depends on choices made when the server was built, and by default the data sits on that server unencrypted, which means the backup server becomes the most sensitive machine you own.

What people use it for

  • A small office with Windows workstations that needs bare metal restore without per seat licensing
  • Schools and labs where machines are re-imaged often and a known good image must be recoverable
  • Backing up a mixed fleet to one server on premises with a web interface non specialists can use
  • Replacing an expiring commercial endpoint backup licence where the budget is the constraint

The honest half

Where it falls short

Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about UrBackup.

  • Backups are stored on the server without encryption at rest by default, so the backup server holds a readable copy of every machine it protects and becomes the highest value target on the network.
  • Deduplication relies on filesystem features such as hard links, btrfs or ZFS, so a server built on the wrong filesystem silently consumes far more space and the fix is a rebuild rather than a setting.
  • There is no native object storage target, so offsite copies mean replicating the server storage with another tool rather than backing up to a bucket directly.
  • Restoring a full Windows image requires booting a restore environment, which is a manual, on site procedure that needs to be rehearsed before the day it is needed.
  • A single server holds everything and there is no built in clustering, so its own failure removes every recovery point at once unless you have separately solved replication.

Cross-shopped

What people choose instead of UrBackup

Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.

  • UrBackup logo
    UrBackup
    vs
    Duplicati logo
    Duplicati

    Duplicati: If you want backups written directly to cloud object storage with client side encryption and no server to run

  • UrBackup logo
    UrBackup
    vs
    Bacula logo
    Bacula

    Bacula: For a larger fleet with tape, catalogue and retention policy requirements that a small server model does not cover

Pricing

What UrBackup costs

Taken from the vendor's own pricing page. Prices move, so check before you buy.

UrBackup

Free

  • Full functionality, unlimited clients
  • File and image backups
  • Web administration interface
  • Community support via forum

Capabilities

Features

  • Windows image backups

    Full and incremental disk images using volume shadow copy for bare metal restore

  • File backups

    Scheduled incremental file backups from Windows, Linux and macOS clients

  • Web interface

    Server side administration, status monitoring and file level restore from a browser

  • Client discovery

    Finds and enrols clients on the local network without per machine configuration

  • Internet mode

    Backs up clients from outside the local network over an encrypted connection

  • Filesystem deduplication

    Uses hard links, or btrfs and ZFS snapshots, to store unchanged data once across backups

Answered, with sources

Questions people ask

Each answer names the page it came from, so you can check it rather than take our word for it.

Does it back up Linux servers as well?

File backups yes, image backups no. The image path is Windows only through volume shadow copy.

Is the data encrypted?

Transport can be encrypted, and there is optional client side file encryption, but the default server storage is not encrypted at rest. Use full disk encryption on the server.

Can I back up to Amazon S3?

Not directly. The server writes to local or mounted storage, so cloud copies are made by replicating that storage separately.

How many clients can one server handle?

Dozens is routine on decent hardware. The limit is usually storage input and output during overlapping backup windows rather than client count.

Share

Keep looking

Where to go from UrBackup

Best Backup software for

Compare UrBackup with

Other Backup software

  • The best open source backup software for Linux

    Free plan7 researched notes
  • Open source backup and migration for Kubernetes cluster resources

    Open source11 researched notes
  • Open source deduplicating backup with client side encryption and a repository on almost any storage

    Open source12 researched notes
  • Deduplicating backup server for virtual machines, containers and Linux hosts, with verification built in

    Open source12 researched notes
  • Free disk cloning and imaging solution

    Free plan14 researched notes
  • Open-source backup trusted by enterprises

    Free, then $5.99/monthly11 researched notes
  • Rust reimplementation of restic that reads and writes the same repository format

    Open source12 researched notes
  • Low-cost backup for virtual machines, servers, endpoints and SaaS from Vembu

    Pricing on request11 researched notes
  • Deduplicating archiver with compression and encryption

    Free plan11 researched notes
  • Fast, secure, and efficient backup program

    Free plan9 researched notes
  • Serverless AWS backup with published per-gigabyte rates and explicit restore charges

    From $0.01/mo11 researched notes
  • Protect, secure, and gain insights into your enterprise data

    Pricing on request12 researched notes
  • Open-source enterprise backup solution

    From $500/yr11 researched notes
  • Free disk cloning and imaging solution

    Free plan14 researched notes
  • Low-cost backup for virtual machines, servers, endpoints and SaaS from Vembu

    Pricing on request11 researched notes
  • Open-source enterprise backup solution

    From $500/yr11 researched notes

Softwr does not host reviews and shows no star rating for UrBackup, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.

More on UrBackup

Best Backup software alternatives

Microsoft 365, Dynamics and Salesforce backup from a long-standing Microsoft partner

quote

Low-cost backup for virtual machines, servers, endpoints and SaaS from Vembu

quote

Kubernetes application backup with a free tier up to one terabyte

Per node hour

Backup and recovery for OpenStack, Kubernetes and Red Hat Virtualization

Per node per year

Serverless AWS backup with published per-gigabyte rates and explicit restore charges

Per GiB-month protected

Cloud backup for managed service providers with instant streamed recovery

quote

Backup as a service spanning SaaS applications as well as infrastructure

quote

SaaS Kubernetes backup and migration with published per-node pricing

Per node per month

Compare UrBackup with alternatives