Mockaroo - A realistic data generator to test your app

Bolna - An open-source platform to build human-like voice AI agents

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Random Data Monster - Random Data Monster is a comprehensive suite of advanced random data generation that features generating secure passwords, names, numbers and more than 30+ Google Sheets custom functions to generate random data.

Dummy File Generator - Free dummy file generator for developers and testers. Create custom files instantly.

RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.