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Ubuntu

Enterprise Linux distribution with 15-year support options.

Overview

What Ubuntu does

Ubuntu is an open-source Linux distribution built by Canonical and one of the world's most widely deployed operating systems. The distribution is available in multiple editions: Desktop (optimised for AI/ML development and cloud operations), Server (for data centre and hyperscale deployments), Core (embedded Linux with transactional updates for IoT and edge devices), Cloud (the leading cloud guest OS), and WSL (Windows Subsystem for Linux). Alternative flavours with different applications and desktop environments are also available. All editions are free to download and use. Canonical positions Ubuntu as 'Loved by developers and trusted by enterprises', citing 66% of experienced developers choosing it as their preferred operating system. The platform emphasises 'authentic open source', secure-by-design architecture, and a predictable release cadence with long-term support. For enterprise users, Canonical offers Ubuntu Pro, a subscription service providing extended security maintenance covering 10 years of vulnerability fixes (expandable to 15 years with a Legacy add-on), Kernel Livepatch for rebootless security patching, and compliance certifications including FIPS 140, DISA-STIG, CIS, FedRAMP and PCI-DSS. The service includes Landscape for centralised management of large Ubuntu estates, coverage for 200+ open-source applications, and an optional Ubuntu Pro + Support tier offering 24/7 expert assistance. Ubuntu Pro is free for personal use (up to 5 physical machines) and available on AWS, Azure and Google Cloud marketplaces.

What people use it for

  • Individual developers and small teams using free Ubuntu for laptops and servers
  • Cloud and data centre deployments requiring certified, supported Linux operating system
  • Organisations needing FIPS-certified or DISA-STIG-hardened Linux for government and regulated environments
  • AI and machine learning teams using Ubuntu Desktop with pre-optimised toolchains
  • IoT and edge computing deployments using Ubuntu Core

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 Ubuntu.

  • Free version supported only by community; no official Canonical support without Pro subscription
  • Ubuntu Pro required for enterprise compliance certifications (FIPS, DISA-STIG); free version does not include these
  • Ubuntu Pro pricing is proprietary and varies based on cloud deployment (AWS, Azure, GCP); no published per-machine or per-user pricing
  • Ubuntu Pro + Support adds 24/7 support costs on top of base subscription; total cost for enterprise-grade support not transparent
  • Personal/free tier limited to 5 machines; any larger deployment requires paid enterprise subscription

Cross-shopped

What people choose instead of Ubuntu

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.

  • Ubuntu logo
    Ubuntu
    vs
    Debian logo
    Debian

    Debian: Community-maintained Linux distribution and universal computing platform

  • Ubuntu logo
    Ubuntu
    vs
    Fedora logo
    Fedora

    Fedora: Community Linux distribution with cutting-edge upstream software

Pricing

What Ubuntu costs

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

Ubuntu (Free)

Free

  • Desktop, Server, Core and Cloud editions
  • Community support
  • Standard security updates (5 years LTS)
  • Unlimited machines
  • No licensing fees

Ubuntu Pro (Personal)

Free

  • Extended Security Maintenance (10 years)
  • Kernel Livepatch
  • Landscape management
  • Up to 5 physical machines (50 for Ubuntu Community members)

Ubuntu Pro (Enterprise)

On request

  • 10 years Extended Security Maintenance
  • FIPS 140, DISA-STIG, CIS compliance
  • Kernel Livepatch
  • Landscape centralised management
  • 30-day free trial available

Ubuntu Pro + Support

On request

  • All Ubuntu Pro features
  • 24/7 break-fix and bug-fix support
  • Expert assistance for infrastructure and applications

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.

Is Ubuntu free?

Yes. Ubuntu is free to download and use in all editions. Community support is also available at no cost. Ubuntu Pro subscriptions are optional and provide extended support and compliance tools.

Source
How long is Ubuntu LTS support?

Standard Ubuntu LTS releases receive 5 years of security maintenance. Ubuntu Pro extends this to 10 years, expandable to 15 years with the Legacy add-on.

Source
What compliance certifications does Ubuntu Pro provide?

Ubuntu Pro provides compliance tools for FIPS 140, DISA-STIG, CIS, FedRAMP and PCI-DSS standards.

Source

Keep looking

Where to go from Ubuntu

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Softwr does not host reviews and shows no star rating for Ubuntu, 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.

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