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Developer Tools · head to head

GNAT Pro vs Passbolt

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Free plan
No
Full reviewWebsite
Passbolt logo

Passbolt

Cybersecurity

Open-source password manager for teams with self-hosted or cloud deployment

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Passbolt 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; Passbolt pro Edition requires a minimum of 10 users, making it costlier for very small teams.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where GNAT Pro and Passbolt differ
AttributeGNAT ProPassbolt
Starting priceOn requestFree
Pricing modelquoteopen-source
Free tierNoYes
PlatformsWebweb, windows, mac, linux, api
CategoryDeveloper ToolsCybersecurity

Identical on both: user rating (Not yet rated).

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 Passbolt does not also cover.

Only in Passbolt

  • Password sharing and folders
  • Groups and role-based access
  • Browser extensions and CLI
  • Open API
  • LDAP provisioning and SSO
  • Activity audit log

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 Passbolt
  • Developing automotive embedded systems with ISO-26262 compliancenot Passbolt
  • Integrating Ada, C/C++, and Rust components in single codebasenot Passbolt
  • Managing software supply chain vulnerabilities and SBOMsnot Passbolt
  • Supporting long-lived software systems spanning decadesnot Passbolt

Passbolt

  • Self-hosting a team password manager for data sovereigntynot GNAT Pro
  • Provisioning vault access from an existing LDAP/AD directorynot GNAT Pro
  • Sharing credentials across engineering or IT teams via folders and groupsnot GNAT Pro
  • Automating credential retrieval through the CLI or open APInot 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

Passbolt

  • Pro Edition requires a minimum of 10 users, making it costlier for very small teams.
  • Community Edition lacks SSO and LDAP provisioning, which many organizations need for onboarding at scale.
  • Self-hosting the Community Edition requires infrastructure and maintenance effort compared to fully managed competitors.
  • Enterprise-tier support and HA consulting require custom, quote-based pricing rather than transparent rates.

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Passbolt

Free
  • Community EditionFree
    • Unlimited users
    • Password sharing and folders
    • Role-based access control
  • Pro Edition$4.9/month
    • Minimum 10 users, billed annually
    • LDAP/AD provisioning
    • Single sign-on
  • Enterprise Edition$undefined/month
    • High availability and disaster recovery consulting
    • White-glove migration
    • Custom feature development

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Passbolt if

  • You need password sharing and folders.
  • You want to start without paying.
  • You work on web, windows, mac, linux, api.
  • You also want groups and role-based access.
Passbolt review

Questions people ask

Is GNAT Pro or Passbolt better?
Neither clearly leads. GNAT Pro starts at On request and Passbolt at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Passbolt?
Passbolt has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Passbolt.
Does GNAT Pro or Passbolt run on more platforms?
GNAT Pro runs on Web. Passbolt runs on web, windows, mac, linux, api.
Can I use Passbolt for free?
Yes. Passbolt 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 Passbolt is typically brought in for.
What can GNAT Pro do that Passbolt cannot?
Passbolt covers Password sharing and folders, Groups and role-based access, Browser extensions and CLI, Open API.

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
Passbolt: Is Passbolt free to use?

Yes. The Community Edition is free forever with unlimited users, including password sharing, folders, groups, role-based access, browser extensions, a CLI, and an open API.

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
Passbolt: What does the Pro Edition cost and add?

Pro Edition costs $4.90 per user per month billed annually, with a 10-user minimum, and adds LDAP/AD provisioning, single sign-on, account recovery escrow, activity audit logs, and next-business-day support.

Source
Passbolt: What license is Passbolt distributed under?

All Passbolt editions, including Pro and Enterprise, are distributed under the AGPL v3 open-source license.

Source
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