whichdb
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Linter vs PostgreSQL

Linter: Russian certified relational DBMS from RELEX, used in secure government, defence and real-time systems. PostgreSQL: The extensible, standards-first open-source relational database.

key differences

  • Licensing: Linter is proprietary (Proprietary (RELEX commercial license)); PostgreSQL is open source (permissive) (PostgreSQL License).
  • Horizontal scaling is none in Linter and addon in PostgreSQL.
  • Only PostgreSQL has full-text search, vector search, geospatial, json, change data capture.
  • Linter can run embedded in your application process.

choose linter for

  • +Russian state information systems needing certified data protection
  • +Embedded and real-time measurement systems on QNX
  • +Import substitution of foreign commercial DBMSs

best at · OLTP, Embedded

choose postgresql for

  • +General-purpose application backend
  • +SaaS multi-tenant data
  • +Geospatial applications with PostGIS
  • +Semantic search alongside relational data with pgvector

best at · OLTP, Geo, Search

LinterRussian certified relational DBMS from RELEX, used in secure government, defence and real-time systems.
PostgreSQLThe extensible, standards-first open-source relational database.
overview
Primary model
Relational
Relational
Also supports
–
Document, Spatial
Type
Database engine
Database engine
Status
Active
Active
Developer
RELEX (NPP RELEX JSC)
PostgreSQL Global Development Group
First release
1990
1996
Latest version
–
18.6 (Aug 13, 2026)
License
ProprietaryProprietary (RELEX commercial license)
Open source (permissive)PostgreSQL License
Free tier
✓
✓
popularity
WhichDB Score
0.0
93.2
Rank
#771
#1
GitHub stars
–
22.6K
Stack Overflow questions
–
178.8K
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Medium (≤ 10 TB)
Horizontal scaling
None
Addon
Multi-region
None
Read replicas
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Client server, Embedded, Single node
Single node, Primary replica, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
✓
—
Edge
—
—
Clouds
–
AWS, Google Cloud, Azure, Oracle Cloud, IBM Cloud, Alibaba Cloud
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
✓
✓
Full-text search
—
✓
Vector search
—
✓
Geospatial
—
✓
JSON
—
✓
Change data capture
—
✓
Triggers
—
✓
Stored procedures
—
✓
Materialized views
—
✓
TTL / expiry
—
—
Pub/Sub
—
✓
Columnar storage
—
—
In-memory
—
—
Durable persistence
✓
✓
Compression
—
✓
Encryption at rest
—
—
Role-based access
✓
✓
Time travel
—
—
Branching
—
—
Online schema changes
—
✓
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL
SQL, PL/pgSQL
Client languages
C, C++, C#, Java, Delphi
C, Java, Python, JavaScript, Go, Rust, C#, Ruby
Best for
OLTP, Embedded
OLTP, Geo, Search, Content
Add more to this comparisonNot sure either fits? Try smart match

Linter vs PostgreSQL: FAQ

What is the difference between Linter and PostgreSQL?

Linter: Russian certified relational DBMS from RELEX, used in secure government, defence and real-time systems. PostgreSQL: The extensible, standards-first open-source relational database. Licensing: Linter is proprietary (Proprietary (RELEX commercial license)); PostgreSQL is open source (permissive) (PostgreSQL License). Horizontal scaling is none in Linter and addon in PostgreSQL. Only PostgreSQL has full-text search, vector search, geospatial, json, change data capture.

When should I choose Linter over PostgreSQL?

Choose Linter for russian state information systems needing certified data protection; embedded and real-time measurement systems on QNX; and import substitution of foreign commercial DBMSs. Choose PostgreSQL for general-purpose application backend, SaaS multi-tenant data and geospatial applications with PostGIS.

Is Linter or PostgreSQL more popular?

PostgreSQL ranks #1 on the WhichDB Score (93.2/100) and Linter ranks #771 (0.0/100). Popularity is not fit: check the requirements that matter for your project.

Are Linter and PostgreSQL open source?

No. Linter is proprietary, closed-source software. Yes. PostgreSQL is open source. License: PostgreSQL License.