Firebird

An open source relational database system supporting multiple operating systems

Vendor
Firebird Project
Also known as
firebird

Available worldwide

What is Firebird?

An open source database management system available for Windows, Linux, and macOS that provides SQL query capabilities with support for advanced features like materialized views.

Independently observed

Firebird pricing

We don't have Firebird's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.

What Firebird does

The capabilities that matter for relational databases, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
SQL model
Full SQL
Transactions
ACID transactions
-
Highest isolation level
-
Consistency
Consistency
-
Scale
Horizontal scale
-
Replication
Replication
-
Availability
Automatic failover / HA
-
Deployment
Deployment
-
Serverless / scale-to-zero
-
Compatibility
Wire compatibility
-
Extensibility
Extensions / plugins / UDFs
Licensing
Licence class
Permissive OSS
Data types
JSON / document support
-
Geo / spatial
-
Independently observed

Platform & deployment

Independently observed
Platforms
  • macOS
  • Linux
  • Windows
Deployment
  • Self-hosted

Integrations (8)

Independently observed
  • Firebird.NET
  • JayBird
  • Delphi
  • FreePascal
  • Lazarus
  • PHP
  • FireRuby
  • Sphinx

Firebird FAQ

Common questions about Firebird, answered from independent, dated evidence.

What is Firebird?

Firebird is an open source database platform that runs on Windows, Linux, Mac OS X, and other operating systems. It is indexed under Relational Databases.

Source: https://firebirdsql.org

Is Firebird free to use?

Firebird is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.

Source: https://firebirdsql.org

What platforms does Firebird support?

Firebird supports Windows, macOS and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.

Source: https://firebirdsql.org

Can Firebird be self-hosted?

Yes. Firebird can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.

Source: https://firebirdsql.org

What does Firebird integrate with?

We have confirmed 8 integrations for Firebird, including Firebird.NET, JayBird, Delphi, FreePascal, Lazarus, PHP, FireRuby and Sphinx. This is what we could verify from public sources, so the vendor may support others we have not indexed.

Source: https://firebirdsql.org

Firebird alternatives

Other relational databases we track, ranked by the same independent score.

All Firebird alternatives, ranked →

Compare Firebird

Side by side against other relational databases, attribute by attribute, with a source on every value.

Independent · unbought · dated

The vioscaleAI score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Firebird, not the verdict.

Balanced composite 45 / 100
low · 7%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Capabilities290.082.3
Integrations270.051.5
Stars00.050.0-
Dependent projects00.050.0-
Development activity00.140.0-
Release cadence00.080.0-
Security posture00.120.0-
Package downloads00.040.0-
Security score00.050.0-
Developer Q&A activity00.140.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Content

AttributeValueEvidence
Faq5 itemsmediumsource · 2026-09-10 · 60%

Features

AttributeValueEvidence
CapabilitiesSql model: full_sql · Extensibility: Yes · License class: permissivemediumsource · 2026-08-13 · 60%

Integrations

AttributeValueEvidence
Count8mediumsource · 2026-08-03 · 60%

Market

AttributeValueEvidence
AvailabilityPrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: …highsource · 2026-08-13 · 75%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-09-03 · 60%
Modelopen_sourcemediumsource · 2026-09-18 · 60%
Price levelfreemediumsource · 2026-09-18 · 60%
TransparentYesmediumsource · 2026-09-03 · 60%
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For the makers of Firebird

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