whichdb
vs

PGlite vs Turso Database (Limbo)

PGlite: Real PostgreSQL compiled to WebAssembly: an embeddable Postgres for browsers, Node, Bun and Deno. Turso Database (Limbo): Ground-up Rust rewrite of SQLite with concurrent writes, async I/O, CDC and vector search.

key differences

  • Only PGlite has geospatial, triggers, stored procedures, materialized views, pub/sub.
  • Only Turso Database (Limbo) has change data capture, encryption at rest, online schema changes.

choose pglite for

  • +Local-first web apps with Electric sync
  • +In-browser SQL playgrounds and tutorials
  • +Ephemeral Postgres for unit tests in Node/Bun
  • +Client-side vector search with pgvector

best at · Embedded, Local-first, Mobile/offline

choose turso-database for

  • +New embedded/edge apps that want SQLite plus concurrent writes
  • +Local-first apps syncing to Turso Cloud
  • +On-device vector search for AI features
  • +Browser apps via WebAssembly

best at · Embedded, Edge, Local-first

PGliteReal PostgreSQL compiled to WebAssembly: an embeddable Postgres for browsers, Node, Bun and Deno.
Turso Database (Limbo)Ground-up Rust rewrite of SQLite with concurrent writes, async I/O, CDC and vector search.
overview
Primary model
Relational
Relational
Also supports
Document, Vector, Spatial
Vector
Type
Embedded library
Embedded library
Status
Active
Active
Developer
ElectricSQL
Turso
First release
2024
2024
Latest version
0.5.12 (Oct 26, 2026)
0.8.3 (Oct 12, 2026)
License
Open source (permissive)Apache License 2.0 / PostgreSQL License
Open source (permissive)MIT License
Free tier
✓
✓
popularity
WhichDB Score
35.1
24.1
Rank
#57
#126
GitHub stars
16.2K
25.1K
Stack Overflow questions
–
–
scale & guarantees
Comfortable data size
Small (≤ 100 GB)
Small (≤ 100 GB)
Horizontal scaling
None
None
Multi-region
None
None
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Flexible
Architecture
Embedded, In memory
Embedded
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
✓
✓
Edge
✓
✓
Clouds
–
–
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, PL/pgSQL
SQL
Client languages
JavaScript, TypeScript
Rust, JavaScript, Python, Go, Java, C#
Best for
Embedded, Local-first, Mobile/offline, Edge
Embedded, Edge, Local-first, Mobile/offline
Add more to this comparisonNot sure either fits? Try smart match

PGlite vs Turso Database (Limbo): FAQ

What is the difference between PGlite and Turso Database (Limbo)?

PGlite: Real PostgreSQL compiled to WebAssembly: an embeddable Postgres for browsers, Node, Bun and Deno. Turso Database (Limbo): Ground-up Rust rewrite of SQLite with concurrent writes, async I/O, CDC and vector search. Only PGlite has geospatial, triggers, stored procedures, materialized views, pub/sub. Only Turso Database (Limbo) has change data capture, encryption at rest, online schema changes.

When should I choose PGlite over Turso Database (Limbo)?

Choose PGlite for local-first web apps with Electric sync; in-browser SQL playgrounds and tutorials; and ephemeral Postgres for unit tests in Node/Bun. Choose Turso Database (Limbo) for new embedded/edge apps that want SQLite plus concurrent writes, local-first apps syncing to Turso Cloud and on-device vector search for AI features.

Is PGlite or Turso Database (Limbo) more popular?

PGlite ranks #57 on the WhichDB Score (35.1/100) and Turso Database (Limbo) ranks #126 (24.1/100). Popularity is not fit: check the requirements that matter for your project.

Are PGlite and Turso Database (Limbo) open source?

Yes. PGlite is open source. License: Apache License 2.0 / PostgreSQL License. Yes. Turso Database (Limbo) is open source. License: MIT License.