Alternatives · Whiteboards
Structurizr alternatives
As of Nov 13, 2026, the best Structurizr alternative for most people is draw.io (3.2 GPA), third in our ranking of whiteboard and mind map tools. It's also the best free one.
Structurizr compared with 6 alternatives: IcePanel, PlantUML, Mermaid, draw.io, Cloudcraft and 1 more.
Structurizr has a free plan. Paid plans start at £300 per month for up to 20 unique users, per server installation. All 6 alternatives are free or have a free plan.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a Structurizr sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| StructurizrThis tool | Free plan · from £300/mo | Yes | Web |
| IcePanel | Free plan · from $40/mo | Yes | Web |
| PlantUML | Free | Free | Web, Browser extension |
| Mermaid | Free plan · from $10/mo | Yes | Web |
| draw.io | Free | Free | Web, macOS, Windows, Linux |
| Cloudcraft | Free | Free | Web |
| dbdiagram.io | Free plan · from $8/mo | Yes | Web |
Price against what you get
Structurizr starts at about $401.97 a month and scores 2.0 out of 4 on features, ease of use and platforms. 6 of the 6 alternatives on this chart score higher and start lower: IcePanel, PlantUML, Mermaid, draw.io, Cloudcraft and dbdiagram.io.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from Structurizr
IcePanel
Software architecture modeling and diagramming around the C4 model
- IcePanel starts at $40 per editor / month, billed annually.
Suits: Engineering teams documenting architecture in the C4 style
PlantUML
Draw UML and other diagrams from plain-text descriptions
- PlantUML is free.
- PlantUML also lists a browser extension.
- PlantUML also covers Gantt & timelines and mind mapping.
Suits: Developers who want diagrams stored as text in version control
Mermaid
Text-based diagramming platform with AI and a visual editor
- Mermaid starts at $10 per user / month, billed annually ($120 a year).
- Mermaid also covers presentations.
Suits: Developers who already write Mermaid syntax in docs or Markdown
draw.io
Free diagram editor that saves files to storage you choose
- draw.io is free.
- draw.io also lists macOS, Windows and Linux apps.
- draw.io also covers templates.
Suits: UML, ERD, network and flowchart diagrams at no cost
Cloudcraft
Live cloud architecture diagrams, included with Datadog
- Cloudcraft is free.
Suits: Teams that already pay for Datadog and want live architecture maps
dbdiagram.io
Draw database ER diagrams by writing DBML code
- dbdiagram.io starts at $8 per month, billed monthly (annual billing saves up to 42%).
Suits: Developers who prefer writing a schema as code over dragging boxes
Limits worth knowing in Structurizr
- Using the server through the vendor's prebuilt binaries needs a paid license; building it yourself is open core.
- Prices are published in pounds sterling and are charged by unique users per server installation.
- Licenses are bought by contacting the vendor, with payment by bank transfer or PayPal invoice, and are non-refundable.
- It is a code-driven diagramming tool, not a freeform whiteboard.
Common questions
What are the alternatives to Structurizr?
The alternatives to Structurizr in this directory are IcePanel, PlantUML, Mermaid, draw.io, Cloudcraft and dbdiagram.io. Each one has a side-by-side comparison with Structurizr.
Is there a free alternative to Structurizr?
Yes. PlantUML, draw.io and Cloudcraft are free to use. IcePanel, Mermaid and dbdiagram.io have a free plan alongside paid ones.
Which Structurizr alternatives work on Windows?
The Structurizr listing does not include a Windows app. draw.io lists one.
Which Structurizr alternatives work on macOS?
The Structurizr listing does not include a macOS app. draw.io lists one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.