
Mockaroo
Generate Data
DataConstruct
Datamade
Seedfast
DataMatch Enterprise
Requestly
Ready-made synthetic industry databases and Power BI dashboards for analytics, SQL practice, BI demos, training, and consulting — across 10 industries, plus a generator for custom scale and variations.

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| Website | demodataworks.com | diffee.me |
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When comparing DemoDataWorks and Diffee, you can also consider the following products.

GenerateData.com: free, GNU-licensed, random custom data generator for testing software
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Realistic, relational Postgres test data — generated from your schema alone. No production access, no PII risk, no fragile seed scripts. Point Seedfast at your database, describe the scenario, and get a fully populated DB in one CLI command.
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Build scalable configurations for deduplication & record linking, suppression, enhancement, extraction, and standardization of business and customer data.
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