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Developer Tools · head to head

GNAT Pro vs Penpot

GNAT Pro logo

GNAT Pro

Developer Tools

Software development environments and toolchains for Ada, C/C++ and Rust

From
On request
Rated
-
Full reviewWebsite
Penpot logo

Penpot

Developer Tools

Open source design and prototyping platform

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Penpot has a free tier, so it costs nothing to try first.
  • Each has a real cost: GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes; Penpot smaller user base and community compared to Figma means fewer templates and resources
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which GNAT Pro and Penpot actually diverge.

Attributes where GNAT Pro and Penpot differ
AttributeGNAT ProPenpot
Starting priceOn requestFree
Pricing modelquoteUnknown
Free tierNoYes
PlatformsWebWeb, Windows, macOS, Linux
FoundedUnknown2021

Identical on both: user rating (Not yet rated), category (Developer Tools).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in GNAT Pro

Nothing recorded that Penpot does not also cover.

Only in Penpot

  • Vector editing
  • Interactive prototyping
  • Design systems
  • Components & libraries
  • Real-time collaboration
  • SVG support
  • CSS Grid & Flexbox
  • Code export

What people use each for

The jobs each tool is most often brought in to do.

GNAT Pro

  • Building certified avionics software meeting DO-178B/C standardsnot Penpot
  • Developing automotive embedded systems with ISO-26262 compliancenot Penpot
  • Integrating Ada, C/C++, and Rust components in single codebasenot Penpot
  • Managing software supply chain vulnerabilities and SBOMsnot Penpot
  • Supporting long-lived software systems spanning decadesnot Penpot

Penpot

  • UI/UX designnot GNAT Pro
  • Prototypingnot GNAT Pro
  • Design systemsnot GNAT Pro
  • Developer handoffnot GNAT Pro
  • Open source projectsnot GNAT Pro

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

GNAT Pro

  • No pricing published on website; requires contacting AdaCore directly for quotes
  • Vendor indicates per-user, per-year subscription model but does not disclose specific costs

Penpot

  • Smaller user base and community compared to Figma means fewer templates and resources
  • Self-hosting requires Linux server and Docker knowledge for technical setup
  • Real-time collaboration features may have performance issues with very large design files

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Penpot

Free
  • FreeFree
    • Cloud-based design
    • Real-time collaboration
    • Components and variants
  • Unlimited$7/month
    • All free features
    • Priority support
    • Advanced cloud features
  • Enterprise$950/month
    • Custom enterprise features
    • Dedicated support
    • Advanced security

Which should you pick?

Choose GNAT Pro if

Nothing in the data separates GNAT Pro from Penpot on the points above - pick on price and on how each one feels to use.

GNAT Pro review

Choose Penpot if

  • You need vector editing.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux.
  • You also want interactive prototyping.
Penpot review

Questions people ask

Is GNAT Pro or Penpot better?
Neither clearly leads. GNAT Pro starts at On request and Penpot at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Penpot?
Penpot has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Penpot.
Does GNAT Pro or Penpot run on more platforms?
GNAT Pro runs on Web. Penpot runs on Web, Windows, macOS, Linux.
Can I use Penpot for free?
Yes. Penpot has a free tier, so you can try it without paying. GNAT Pro starts at On request.
What is GNAT Pro best used for?
GNAT Pro is most often used for building certified avionics software meeting do-178b/c standards, developing automotive embedded systems with iso-26262 compliance, integrating ada, c/c++, and rust components in single codebase, managing software supply chain vulnerabilities and sboms. Of those, building certified avionics software meeting do-178b/c standards and developing automotive embedded systems with iso-26262 compliance are not what Penpot is typically brought in for.
What can GNAT Pro do that Penpot cannot?
Penpot covers Vector editing, Interactive prototyping, Design systems, Components & libraries.

Answered from the vendors’ own pages

GNAT Pro: How much does GNAT Pro cost?

GNAT Pro pricing is not published on the website. Customers must request a pricing quote by contacting AdaCore directly or speaking with a GNAT Pro expert.

Source
Penpot: Is Penpot really free?

Yes. Penpot is completely free with no feature gates. The open-source version can be self-hosted on your own infrastructure for zero cost beyond server expenses.

Source
GNAT Pro: What is GNAT Pro licensing model?

GNAT Pro is sold on a per-user, per-year basis with no license locks. Customers can request pricing for their specific needs.

Source
Penpot: Can I self-host Penpot?

Yes. Penpot can be self-hosted on your own infrastructure with no licensing costs. Organizations with specific privacy or governance needs can run Penpot on their own servers.

Source
Penpot: What are the paid plans if I use Penpot cloud?

Penpot's cloud service offers a free tier, Unlimited plan at $7 per user per month for professionals and medium teams, and Enterprise starting at $950 per month for larger organizations.

Source
Penpot: What platforms does Penpot support?

Penpot runs in the browser, so it works on Windows, Mac, Linux, and any OS with a web browser. No platform-specific downloads required.

Source
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