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Best Transaction Data Store Software in 2026

  1. 1

    Aerospike Database

    by Aerospike Database
    Free plan Open source APILinuxMac+3

    Aerospike Database offers multiple data models, storage choices, and replication modes in one engine. Check edition support and licensing notes for connectors and security features when assessing fit.

    9.3 Free plan Visit site
  2. 2

    Apache Cassandra

    by Apache Cassandra
    Free plan Open source APILinuxMac+3

    Cassandra offers a distributed, self-managed database with multiple deployment options and tunable consistency.

    9.1 Open source Visit site
  3. 3

    SQLite

    by SQLite
    Free plan Open source AndroidAPIiPhone+5

    SQLite provides an embedded database with broad SQL capabilities and a simple single-file format. Its one-writer-per-file limit is important when evaluating it for write-heavy workloads.

    8.6 Free plan Visit site
  4. 4

    TiDB Cloud

    by TiDB Cloud
    Free plan Open source APILinuxSelf-hosted+1

    TiDB Cloud pairs managed database hosting with a free Starter quota and support for transactional and analytical workloads.

    8.6 Free plan Visit site
  5. 5

    Amazon DynamoDB

    Free plan AndroidAPIiPhone+5

    DynamoDB offers managed NoSQL storage with automatic scaling, multiple access patterns and recovery options.

    7.6 Free plan Visit site
  6. 6

    Apache CouchDB

    by Apache CouchDB
    Free plan APILinuxMac+3

    Apache CouchDB offers a flexible document model, replication, and clustering in free self-hosted software.

    7.5 Free plan Visit site
  7. 7

    Amazon RDS

    Free plan APISelf-hostedWeb

    Amazon RDS combines a broad engine selection with managed backups, scaling, and AWS security and monitoring integrations.

    7.4 Visit site
  8. 8

    Azure SQL Database

    Free plan AndroidAPIiPhone+4

    Azure SQL Database pairs managed operations with development interfaces, APIs, and recovery capabilities. Review the free-tier limits and overage behavior before relying on the free offer.

    7.4 Free plan Visit site
  9. 9

    Firebird

    Free plan LinuxMacSelf-hosted+1

    Firebird combines broad SQL capabilities with several deployment choices and a no-fee free plan. Check the maintained release series and recovery limits when choosing a version and backup approach.

    7.4 Free plan Visit site
  10. 10

    Amazon DocumentDB

    by Amazon DocumentDB
    Free plan APIWeb

    Amazon DocumentDB offers managed document storage with MongoDB compatibility, serverless scaling, replicas, and integrated AWS services.

    7.3 30-day trial Visit site
  11. 11

    CockroachDB Cloud

    by CockroachDB Cloud
    Free plan APILinuxWeb

    CockroachDB Cloud combines managed operations with distributed SQL and deployments across regions and cloud providers.

    7.3 From $0.06 · 30-day trial Visit site
  12. 12

    IBM Db2

    Free plan APILinuxSelf-hosted+2

    Choose IBM Db2 if you need a database for varied enterprise workloads, with query optimization, vector queries, and options for availability and security.

    7.3 Free plan · paid from $630/mo Visit site
  13. 13

    Amazon Aurora

    by Amazon Aurora
    Free plan API

    Choose Amazon Aurora if you need a managed relational database with PostgreSQL, MySQL, or DSQL engines and want database operations through the RDS console, CLI, or API.

    7.2 Visit site
  14. 14

    Azure Cosmos DB for NoSQL

    by Azure Cosmos DB for NoSQL
    Free plan APISelf-hosted

    Choose Azure Cosmos DB for NoSQL if your application needs a managed cloud database with JSON documents, transactions, scaling, or multi-region support.

    7.2 Free plan · 30-day trial Visit site
  15. 15

    Microsoft SQL Server

    Free plan APILinuxSelf-hosted+1

    SQL Server offers database, integration, and virtualization capabilities, with editions for production, development, and learning uses.

    7.2 Free plan Visit site
  16. 16

    MySQL

    Free plan APILinuxMac+2
    7.2 Free plan Visit site
  17. 17

    Neon

    Free plan APILinuxMac+2

    Neon combines managed PostgreSQL with compute that can pause during inactivity, database branching, and programmatic management.

    7.1 Free plan Visit site
  18. 18

    PostgreSQL

    Free plan LinuxMacSelf-hosted+1

    PostgreSQL offers extensive data, transaction, recovery, and security capabilities without a license fee.

    7.1 Free plan Visit site
  19. 19

    TiKV

    Free plan APILinuxMac+2

    TiKV provides distributed key-value storage with replication and both raw and transactional APIs.

    7.0 Open source Visit site
  20. 20

    Turso

    by Turso
    Free plan AndroidAPIiPhone+3

    Turso combines an embedded SQLite-compatible engine with managed cloud services, synchronization, and deployment controls.

    6.9 Free plan · paid from $4.99/mo (annual) Visit site
  21. 21

    Neo4j

    by Neo4j
    Free plan Self-hosted

    Neo4j offers graph database capabilities with several deployment choices and a free AuraDB tier.

    6.7 Free plan · paid from $65/mo · 14-day trial Visit site
  22. 22

    AlloyDB AI

    Free trial APILinuxSelf-hosted+1
    6.6 30-day trial Visit site
  23. 23

    Google Cloud Spanner

    Free trial APILinuxSelf-hosted+1

    Spanner combines several data models with scaling, search, and live-data analytics capabilities.

    6.3 90-day trial Visit site
  24. 24

    Google Cloud SQL

    by Google Cloud SQL
    Free trial APILinuxMac+2

    Cloud SQL offers managed relational databases with backups, recovery, availability, and migration support.

    6.2 From $0.04 Visit site
  25. 25

    MongoDB Compass

    Free plan LinuxMacWindows
    6.2 Free plan Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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