FREEDOM251

Freedom251 › Developer Tools

Free and open first

Best Test Data Management Software in 2026

Preparing dependable data for software tests can involve masking sensitive fields, selecting subsets, or generating synthetic records. Compare data masking and subsetting with synthetic data generation, refresh automation and API access to assess the workflows each tool supports. Deployment model, free-plan availability and paid-from pricing add practical and cost considerations. Metasyn, MOSTLY AI and Tonic Fabricate are among the options shown. Consider how your team creates and refreshes test datasets, and which environment it must run in, then use the listed features to compare products against those needs.

  1. 1

    Databucket

    Free plan Open source APISelf-hosted

    Databucket provides project-oriented test data management with filtering, history, reservations, and bulk operations.

    8.9 Open source Visit site
  2. 2

    BlazeMeter

    Free plan APIExtensionLinux+2

    BlazeMeter combines several testing types with service virtualization and AI-assisted test triage. Its listed free limits and paid plan details help clarify the scale available at each tier.

    7.7 Free plan · paid from $99/mo (annual) Visit site
  3. 3

    Data Maestro

    Free plan LinuxMacSelf-hosted

    Data Maestro combines synthetic data generation, anonymization, database seeding, and mock API work in a local app.

    7.4 Free plan · paid from $15/user/mo · 30-day trial Visit site
  4. 4

    FakerForge

    Free plan APILinuxMac+3

    Pick FakerForge if you need synthetic data built around database schemas, mock endpoints, or a CLI for PostgreSQL and MySQL.

    7.4 Free plan · paid from $10/mo Visit site
  5. 5

    Metasyn

    Free plan LinuxMacSelf-hosted+1

    Metasyn offers a self-hosted Python workflow for synthetic tabular data, with dataframe support, extensibility, and several export formats.

    7.2 Free plan Visit site
  6. 6

    MOSTLY AI

    Free plan APILinuxSelf-hosted+1

    MOSTLY AI combines synthetic-data generation, data analysis, connectors, and deployment choices.

    7.1 Free plan Visit site
  7. 7

    Faker.js

    Free plan Web

    Faker.js provides broad synthetic data generation for development and testing, with multiple installation routes and framework examples.

    7.0 Free plan Visit site
  8. 8

    Mockaroo

    Free plan APISelf-hostedWeb

    Mockaroo combines synthetic data generation with API mocking, with multiple formats and data-type options.

    7.0 Free plan · paid from $60/yr Visit site
  9. 9

    Synthesized

    Free plan APILinuxSelf-hosted+1

    Choose Synthesized if your enterprise team needs governed test data for QA, SAP transformations, or AI-agent validation, especially across relational databases.

    7.0 Free plan Visit site
  10. 10

    Windocks

    Free plan APILinuxSelf-hosted+2

    Windocks combines database cloning, masking, synthetic data, and refresh automation for non-production work.

    6.9 Free plan · paid from $499/mo (annual) Visit site
  11. 11

    Tonic Fabricate

    Free plan APISelf-hostedWeb

    Fabricate covers synthetic data generation across structured records, documents, APIs, and workflows, with Free, Plus, and custom Enterprise options.

    6.8 Pricing on request Visit site
  12. 12

    Synthetic Data Vault

    Free plan APISelf-hosted

    SDV offers data generation, quality evaluation, and customization across several data structures.

    6.7 Free plan Visit site
  13. 13

    Automic Continuous Delivery Automation

    Free trial APILinuxSelf-hosted+1
    6.6 Pricing on request Visit site
  14. 14

    DATPROF

    Free trial APILinuxSelf-hosted+2

    DATPROF brings masking, subsetting, and provisioning into one test data management platform. Teams should request pricing and confirm that its database and file support matches their environment.

    6.4 Pricing on request Visit site
  15. 15

    DTM Data Generator

    Free trial LinuxMacWindows

    Choose DTM Data Generator when you need self-hosted test data generation across supported databases, with schema-aware relationships and several output formats.

    6.2 From $149 Visit site
  16. 16

    Curiosity Software Enterprise Test Data

    Paid APILinuxSelf-hosted+2

    Enterprise Test Data combines discovery, provisioning, masking, and synthetic data generation for complex test-data environments.

    6.0 Pricing on request Visit site
  17. 17

    GenRocket

    Paid APISelf-hostedWeb

    GenRocket covers synthetic data generation, subsetting, and test workflow injection, with customer-premises generation as part of its stated security architecture.

    5.6 Pricing on request Visit site
  18. 18

    Perforce Delphix Test Data Management

    Paid APILinuxSelf-hosted+1

    Choose Perforce Delphix Test Data Management if enterprise teams need virtual test data, masking, synthetic data generation, and centralized governance across development and testing workflows.

    5.5 Pricing on request Visit site
  19. 19

    Mage Data Test Data Management

    Paid APISelf-hosted

    Choose Mage Data Test Data Management if your team needs to prepare and automate secure test data within its own on-premises, cloud or hybrid environment.

    5.3 Pricing on request Visit site
  20. 20

    Datanamic Data Generator

    Paid Windows

    Data Generator covers multiple databases, generator types, and relational constraints for test-data workflows.

    5.2 From €25/mo · 14-day trial Visit site
  21. 21

    IRI RowGen

    Paid LinuxMacWindows
  22. 22
  23. 23

    Redgate Clone

    Paid LinuxWebWindows
    4.4 Pricing on request Visit site
  24. 24
    4.3 Pricing on request Visit site
  25. 25

    Tonic Structural

    Paid Web
    4.3 Pricing on request 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

More in Developer Tools