17.6
Benerator generates synthetic data, anonymizes or pseudonymizes existing data, and migrates data for development, testing, and training.
Free planOpen sourceWebAPILinux
Alternatives to Datafaker
27.1
RandomUser is a free, open-source API that generates synthetic user data for application testing.
Free planOpen sourceWebAPIExtension
36.8
Tonic Fabricate uses a conversational AI agent to generate synthetic data for databases, APIs, and files.
Free planWebAPISelf-hosted
- 4
Mockaroo
Mockaroo creates synthetic test data and mock back-end APIs for UI development.
Free planWebAPISelf-hosted6.7From $60 a year - 5
Synthetic Data Vault
Synthetic Data Vault (SDV) is a Python library and software platform for generating synthetic data from real data.
Free planAPISelf-hosted6.6From $250 a month - 6
Chance.js
Chance.js is a JavaScript library for generating random values for automated tests and other uses that need sample data.
Free planWebAPI6.4Free plan - 7
JSON Schema Faker
JSON Schema Faker generates synthetic JSON data from JSON Schema definitions.
Free planWebLinuxmacOSSelf-hosted6.4Free plan - 8
MOSTLY AI
MOSTLY AI is a data intelligence platform for accessing production data and generating synthetic, mock and simulated data, with tools for data analysis.
Free planWebAPILinuxSelf-hosted6.4Free plan - 9
Fishery
Fishery is a JavaScript library for preparing objects as test data and for other situations where JavaScript data needs setup.
Free plan6.1Free plan - 10
Redgate SQL Prompt
Windows6.1From $210 a year - 11
Snowfakery
Snowfakery generates synthetic data from YAML recipe files, including records linked across tables.
Free planAPILinuxSelf-hosted6.1Free plan - 12
Bogus
Bogus is a synthetic data generator for C#, F#, and VB.NET, adapted from faker.js.
Free planLinuxmacOSSelf-hostedWindows6.0Free plan - 13
Faker.js
Faker.js is a JavaScript tool for generating fake but realistic data for testing and development.
Free planWeb6.0Free plan - 14
DummyJSON
DummyJSON is a free hosted REST API that supplies fake JSON data for frontend development, building, and testing without backend setup.
Free planWebAPI5.9Free plan - 15
ApexSQL Generate
ApexSQL Generate is paid Windows software that populates SQL databases with synthetic test data.
Self-hostedWindows5.8 - 16
Mimesis
Mimesis is a free, open-source Python library for generating synthetic data across languages and locales.
Free planLinux5.8Free plan - 17
Synthea
Synthea is a free, open-source generator that creates synthetic patients and medical histories.
Free planSelf-hosted5.8Free plan - 18
Faker
Faker is a free Python package for creating synthetic data for database bootstrapping, XML documents, stress testing, and anonymizing production data.
Free planSelf-hosted5.7Free plan - 19
Generatedata
Generatedata creates synthetic test data through a browser interface, with a self-hosted script for users who want to run it themselves.
WebSelf-hosted5.7$25 one-time - 20
EMS Data Generator for MySQL
Windows5.6 - 21
Synthesized
Synthesized creates governed test data scenarios for enterprise software releases, SAP transformations, and AI-agent validation.
WebAPILinuxSelf-hosted5.6 - 22
GenRocket
GenRocket generates synthetic test data from user-defined structures, rules, and scenarios.
WebAPISelf-hosted5.5 - 23
GoFakeIt
GoFakeIt is an open-source Go library and toolkit for generating synthetic random data.
APISelf-hosted5.4 - 24
MockNeat
MockNeat is a free, open-source Java library for generating arbitrary data programmatically.
API5.2 - 255.1
- 264.9
- 27
YData Synthetic
LinuxmacOSWindows4.7