DuckDB

Unclaimed Editor reviewed

In-process analytics database

Database Builders ETL & Data Pipelines Data Warehouses

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TL;DR - DuckDB

DuckDB is an embedded analytical database designed for fast OLAP queries in applications
It runs SQL queries directly on Parquet, CSV, and JSON files without a server
Completely free and open-source

Pricing: Free forever

Best for: Individuals & startups

Pros & Cons

Pros

Embedded analytics
Fast SQL queries
No server needed
Good for data science
Open source

Cons

Not for production DBs
Single-node only
Specific use cases
Newer platform
Limited ecosystem

Ratings Across the Web

4.5(2 reviews)

SourceForge2 reviews

4.5/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Analytics databaseIn-processColumnarSQLZero dependenciesOpen source

Pricing Plans

Free

Open source

In-process analytics
SQL
Parquet/CSV support
Python/R bindings

Calculate your cost View full pricing

What is DuckDB?

Editorial review

DuckDB is an analytics database that runs in-process. Query data with SQL wherever your application runs-the analytical performance of columnar databases without separate infrastructure. No server to manage. The SQL dialect is full-featured. Performance on analytical queries is excellent. Data scientists and developers wanting fast SQL analytics without database servers choose DuckDB for embedded analytics.

LCLouis CorneloupUpdated May 17, 2026 · how we evaluateSourceduckdb.org ↗

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DuckDB FAQ

Is DuckDB free?

Yes, DuckDB is open source under MIT license. Completely free. No paid version. Community-supported.

What is DuckDB?

DuckDB is an in-process analytical database. Like SQLite but for analytics. Run SQL queries on local files with excellent performance.

DuckDB vs SQLite?

DuckDB is optimized for analytics (OLAP). SQLite is for transactions (OLTP). DuckDB for analytics; SQLite for application data.

What is DuckDB used for?

Local analytics, data exploration, ETL scripts, and embedded analytics. Query Parquet, CSV, and JSON files directly.

Source: duckdb.org