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Free DuckDB alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

4 of the 5 DuckDB alternatives we track can be used for free (free, open source, or with a free plan). ClickHouse, Google BigQuery and PostgreSQL rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1ClickHouse logoClickHouseOpen source30 days with $300 creditsNoWeb, Linux, macOS +15 of 583.8
2Google BigQuery logoGoogle BigQueryFree plan + paid$6.25 per TiB scanned (on-demand)NoWeb4 of 476.8
3PostgreSQL logoPostgreSQLOpen source—YesLinux, macOS, Windows +15 of 554.4
4MotherDuck logoMotherDuckFree plan + paid$250 per org/month + usageNoWeb5 of 542.3
  1. ClickHouse logo

    1. ClickHouseTop pick

    Best for: Engineering teams building real-time dashboards, observability or analytics over billions of rows

    Open sourceWeb, Linux, macOS, Self-hosted

    83.8

    score / 100

    Why switch from DuckDB

    An open-source columnar database that runs as a server, better for many users and very large datasets.

    Pros

    • Very fast aggregations over large tables, suited to live dashboards
    • Apache 2.0 open source, so it can be self-hosted at no licence cost
    • Strong compression keeps storage costs down
    • Managed cloud option on AWS, Google Cloud and Azure

    Cons

    • Schema and table-engine choices need care to get good performance
    • Updates, deletes and large joins are weaker than in general-purpose warehouses
    • Self-hosting a cluster takes real operational work
    Visit ClickHouse Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is ClickHouse a good DuckDB alternative?

    Verified facts

    5 of 5 verified
    License
    Apache-2.0
    Checked Oct 29, 2026github.com(opens source in a new tab)
    Open source
    Yes
    Checked Nov 8, 2026clickhouse.com(opens source in a new tab)
    Free trial
    30 days with $300 credits
    Checked Nov 8, 2026clickhouse.com(opens source in a new tab)
    Pricing model
    Compute and storage metered separately
    Checked Nov 8, 2026clickhouse.com(opens source in a new tab)
    Cloud providers
    AWS, Google Cloud, Azure
    Checked Nov 8, 2026clickhouse.com(opens source in a new tab)
  2. Google BigQuery logo

    2. Google BigQuery

    Best for: Teams on Google Cloud or GA4 who want a warehouse with no servers to manage

    Free plan + paidWeb

    76.8

    score / 100

    Why switch from DuckDB

    A serverless cloud warehouse for data too big or shared too widely for one machine.

    Pros

    • Fully serverless, with nothing to size or keep running
    • Monthly free query and storage allowance for small projects
    • Native exports from Google Analytics 4 and other Google products
    • Machine learning models can be trained in plain SQL

    Cons

    • Tied to Google Cloud; there is no self-hosted version
    • On-demand billing by data scanned can surprise teams that query wide tables
    • Less control over performance tuning than with your own cluster
    Visit Google BigQuery Compare with DuckDBDetails and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Google BigQuery a good DuckDB alternative?

    Verified facts

    4 of 4 verified
    Serverless
    Yes
    Checked Nov 8, 2026cloud.google.com(opens source in a new tab)
    Free query allowance
    First 1 TiB per month
    Checked Nov 8, 2026cloud.google.com(opens source in a new tab)
    Starting price
    $6.25 per TiB scanned (on-demand)
    Checked Nov 8, 2026cloud.google.com(opens source in a new tab)
    Free storage
    First 10 GiB per month
    Checked Nov 8, 2026cloud.google.com(opens source in a new tab)
  3. PostgreSQL logo

    3. PostgreSQL

    Best for: Developers and teams who want a free, standards-minded relational database that scales with their app.

    Open sourceSelf-hostableLinux, macOS, Windows, Self-hosted

    54.4

    score / 100

    Why switch from DuckDB

    A general-purpose database for both app data and analytics, with a SQL dialect DuckDB borrows from.

    Pros

    • Strong SQL standards support and full ACID transactions
    • Rich types: JSONB, arrays, ranges, plus PostGIS for maps
    • Highly extensible with custom types and functions
    • Permissive licence and community governance, not one vendor

    Cons

    • Running replication, failover and major upgrades yourself takes expertise
    • Connection handling often needs a pooler under heavy load
    • No official GUI; you pick a separate client
    Visit PostgreSQL Details and reviews
    How this score is calculated
    Editorial fit ×0.352
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is PostgreSQL a good DuckDB alternative?

    Verified facts

    5 of 5 verified
    License
    PostgreSQL License (BSD/MIT-like)
    Checked Nov 8, 2026postgresql.org(opens source in a new tab)
    Origins
    1986, UC Berkeley POSTGRES project
    Checked Nov 8, 2026postgresql.org(opens source in a new tab)
    ACID-compliant
    Since 2001
    Checked Nov 8, 2026postgresql.org(opens source in a new tab)
    JSON support
    JSON/JSONB
    Checked Nov 8, 2026postgresql.org(opens source in a new tab)
    Platforms
    Linux, macOS, Windows, BSD, Solaris
    Checked Nov 8, 2026postgresql.org(opens source in a new tab)
  4. MotherDuck logo

    4. MotherDuck

    Best for: DuckDB users and small data teams who want a cheap, fast cloud warehouse without cluster tuning

    Free plan + paidWeb

    42.3

    score / 100

    Why switch from DuckDB

    Adds cloud storage, sharing and managed compute while keeping the same DuckDB SQL.

    Pros

    • Free plan with storage and compute included each month
    • Isolated compute per user avoids noisy-neighbour slowdowns
    • Same SQL as local DuckDB, with queries that can run partly on your laptop
    • Per-second billing on larger instances

    Cons

    • Cloud-only, with no on-premises version
    • Runs only in AWS regions, and each organisation is tied to one region
    • Single-node design is not aimed at the very largest datasets
    Visit MotherDuck Details and reviews
    How this score is calculated
    Editorial fit ×0.312
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is MotherDuck a good DuckDB alternative?

    Verified facts

    5 of 5 verified
    Free plan
    10 GB storage, 10 compute hrs/month
    Checked Nov 8, 2026motherduck.com(opens source in a new tab)
    Starting price
    $250 per org/month + usage
    Checked Nov 8, 2026motherduck.com(opens source in a new tab)
    Free trial
    7 days (Business plan)
    Checked Nov 8, 2026motherduck.com(opens source in a new tab)
    Self-hosting
    No
    Checked Nov 8, 2026motherduck.com(opens source in a new tab)
    Regions
    Six AWS regions
    Checked Nov 8, 2026motherduck.com(opens source in a new tab)