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Free TiDB alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

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

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1MySQL logoMySQLOpen source—YesLinux, Windows, macOS +14 of 464.8
2MariaDB logoMariaDBOpen source—YesLinux, Windows, macOS +14 of 461.8
3PostgreSQL logoPostgreSQLOpen source—YesLinux, macOS, Windows +15 of 559.4
4FoundationDB logoFoundationDBOpen source—YesLinux, macOS, Self-hosted5 of 557.5
  1. MySQL logo

    1. MySQLTop pick

    Best for: Web developers who want the most widely hosted SQL database, especially for PHP and WordPress apps.

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

    64.8

    score / 100

    Why switch from TiDB

    The original single-server engine, simpler to run when one primary and replicas are enough.

    Pros

    • Supported by nearly every host, cloud and framework
    • Free GPL Community Edition with replication and clustering
    • Official GUI in MySQL Workbench

    Cons

    • Some features are reserved for paid Enterprise editions
    • Controlled by Oracle rather than a community foundation
    • Fewer advanced data types and SQL features than PostgreSQL
    Visit MySQL Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    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 MySQL a good TiDB alternative?

    Verified facts

    4 of 4 verified
    License
    GPL (Community Edition)
    Checked Nov 8, 2026mysql.com(opens source in a new tab)
    Free edition
    Community Edition
    Checked Nov 8, 2026mysql.com(opens source in a new tab)
    High availability
    Group Replication, InnoDB Cluster
    Checked Nov 8, 2026mysql.com(opens source in a new tab)
    Platforms
    20+ incl. Linux, Windows, Mac
    Checked Nov 8, 2026mysql.com(opens source in a new tab)
  2. MariaDB logo

    2. MariaDB

    Best for: Teams running MySQL-style apps who want a community-governed, GPL database server.

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

    61.8

    score / 100

    Why switch from TiDB

    MySQL-compatible fork with Galera clustering, familiar to MySQL admins and free to run.

    Pros

    • Largely MySQL-compatible, so migrations are usually easy
    • Governed by a foundation rather than a single vendor
    • Regular LTS releases and built-in vector search

    Cons

    • Has drifted from recent MySQL versions in some features
    • Several release tracks (LTS, rolling, preview) can confuse
    • Smaller extension ecosystem than PostgreSQL
    Visit MariaDB Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    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 MariaDB a good TiDB alternative?

    Verified facts

    4 of 4 verified
    License
    GPL-2.0
    Checked Nov 1, 2026github.com(opens source in a new tab)
    Origin
    Fork of MySQL by original MySQL team members
    Checked Nov 1, 2026github.com(opens source in a new tab)
    LTS releases
    Yes
    Checked Nov 8, 2026mariadb.org(opens source in a new tab)
    Vector search
    MariaDB Vector
    Checked Nov 1, 2026mariadb.org(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

    59.4

    score / 100

    Why switch from TiDB

    Mature open-source relational database with a vast extension ecosystem, run on a single primary.

    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 ×0.369
    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 TiDB 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. FoundationDB logo

    4. FoundationDB

    Best for: Infrastructure teams building their own data layers on a strongly consistent distributed store

    Open sourceSelf-hostableLinux, macOS, Self-hosted

    57.5

    score / 100

    Why switch from TiDB

    Lower-level distributed transactional store for teams who want to build their own data layers.

    Pros

    • ACID transactions across a distributed cluster
    • Free and open source under Apache 2.0
    • Heavily tested with deterministic failure simulation
    • Official bindings for C, Python, Ruby, Java and Go

    Cons

    • Low-level key-value API; queries and schemas need layers on top
    • No official managed cloud service or vendor support plan
    • Current Windows packages are not offered for recent versions
    Visit FoundationDB Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    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 FoundationDB a good TiDB alternative?

    Verified facts

    5 of 5 verified
    License
    Apache-2.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Transactions
    ACID
    Checked Nov 8, 2026foundationdb.org(opens source in a new tab)
    Data model
    Ordered key-value store
    Checked Nov 8, 2026apple.github.io(opens source in a new tab)
    Language bindings
    C, Python, Ruby, Java, Go
    Checked Nov 8, 2026apple.github.io(opens source in a new tab)
    Owner
    Apple
    Checked Nov 8, 2026foundationdb.org(opens source in a new tab)