DuckDB
Embedded analytical SQL database that runs inside your application process. In our guide to database management systems it is ranked #20 of 22.
Sebastiaan SmitsFounderPaid placement exists here and is disclosed. Whatever the arrangement, the DuckDB link carries the same marker as all others (details).
Visit DuckDB See it in the database management systems ranking
DuckDB at a glance
| Headquarters | Not stated by the vendor |
|---|---|
| Pricing model | Free MIT-licensed software, listed at zero price; no paid products named on the pages read |
| Free plan | Yes, a free tier or plan |
| Deployment | Cloud or hosted |
| API | Not covered by the sources we used |
| Best for | Analysts and developers running SQL over local files without operating a database server |
Where DuckDB wins and where it does not
- DuckDB runs inside your application process, from edge devices to many-core servers, and speaks SQL with PostgreSQL-inspired syntax.
- Strongest for: Analysts and developers running SQL over local files without operating a database server.
- DuckDB is tagged Parquet and CSV in our records.
- In-process is among the traits we single out for it.
- MIT licence, one of the three traits the catalogue lists for DuckDB.
- The Quack protocol permits client-server use, though the page gives no limits, no country and no hosted offering.
- Not for: Teams needing a managed, multi-user server out of the box.
- The page names no company and no country, only the DuckDB Foundation as governing body.
- No limits are stated, and MotherDuck appears only as an integration without detail.
Our verdict on DuckDB
DuckDB runs inside your application process, from edge devices to many-core servers, and speaks SQL with PostgreSQL-inspired syntax. The MIT-licensed software is governed by the independent DuckDB Foundation, with no company named. It reads CSV, JSON, Parquet and Iceberg. The Quack protocol permits client-server use, though the page gives no limits, no country and no hosted offering.
The database management systems list places DuckDB 20 of 22: the products next to it are SurrealDB above and Valkey below. From place 4 the established names follow in their ranked order; we publish no numeric score.
The vendor states no country of establishment, so DuckDB is left out of the regional count for this list.
What DuckDB costs
In the catalogue: Free MIT-licensed software, listed at zero price; no paid products named on the pages read.
The page announces version 2.0.0 and lists the software at zero price in structured data.
Where this comes from: the vendor pages at duckdb.org, checked for Best Database Management Systems in 2026 on 7 November 2026.
Living with DuckDB: setup and exit
Clients exist for Python, Go, Java, Node.js, Rust and ODBC.
Files in CSV, JSON, Parquet, Iceberg and other formats can be read and written locally or in object storage, with connectors for AWS, Azure, Google Cloud, Cloudflare and Hugging Face.
The software runs in-process, and the Quack protocol allows client-server use.
Fact sheet: DuckDB
| Product | DuckDB |
|---|---|
| Vendor website | duckdb.org |
| Head-to-head pages | Not paired so far |
| Price visibility | Public on the vendor site |
| Alternatives page | None yet |
| What we do not hold | user counts and financial results |
| Headquarters | Not stated by the vendor |
| Rank there | #20 of 22 |
| Primary guide | Best Database Management Systems in 2026 |
| Catalogue tags | MIT licence, In-process, Parquet and CSV |
What DuckDB connects to
- No limits are stated, and MotherDuck appears only as an integration without detail.
Close alternatives to DuckDB
These are the nearest neighbours of DuckDB in the same list, picked on shared traits and price model.
- Redis (#6 of 22): Memory-first data store used for caching, queues and sessions, now tri-licensed. Best for: Teams already running Redis who want vector queries beside their cache. (United States)
- Couchbase (#8 of 22): Aimed at: Teams wanting SQL++ over JSON documents plus mobile sync from one vendor. (United States)
- FerretDB (#13 of 22): Not for: teams that rely on Atlas Search or Vector Search features. Open-source proxy that serves MongoDB drivers from PostgreSQL.
- ScyllaDB (#15 of 22): Not for: teams that need ad hoc document queries or an OSI-approved licence for current releases. Wide-column database compatible with Cassandra and DynamoDB APIs.
Where else DuckDB is ranked
| Guide | Position |
|---|---|
| Best Database Management Systems in 2026 | #20 of 22 |
DuckDB FAQ
5 answersIs DuckDB the right fit for me?
Analysts and developers running SQL over local files without operating a database server. It does not fit as well for teams needing a managed, multi-user server out of the box.
How does DuckDB rank for database management systems?
In our database management systems list DuckDB stands at place 20 of 22.
What are the main alternatives to DuckDB?
The closest products in the same guide are Redis, Couchbase, FerretDB and ScyllaDB. You will find each one reviewed in the database management systems ranking.
Is DuckDB a European company?
The vendor pages we reviewed state no country of establishment for DuckDB, so we do not give one.
What does DuckDB cost?
Our catalogue records DuckDB’s pricing as: Free MIT-licensed software, listed at zero price; no paid products named on the pages read. On free access, a free plan is on record.
How we rank
Feature lists tell little, so positions rest on setup effort, the true price, portability and fit. That puts DuckDB at #20 of 22. The editorial process sets out how facts are gathered and how commercial links are handled.