FakeJSON is described as 'The subscription API to generate fake sample data for convincing mockups. Use FakeJSON's data to test your ideas, populate your wireframes or showcase your designs Why use FakeJSON?'. There are six alternatives to FakeJSON, not only websites but also apps for HP webOS, Self-Hosted solutions and Windows. The best alternative is RANDOM.ORG, which is free. Other great sites and apps similar to FakeJSON are RandomPicker.com (Free Personal), Random Number Generator (Freemium), Leon's Random Generators (Free) and Faker (Free, Open Source).
RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs. People use RANDOM.
RandomPicker is a random winner generator for your giveaways, raffles, contests or sweepstakes. It generates a public record for each project so you can prove the unbiased drawing. Used by more than 300,000 organizers worldwide.
Randomly generate millions of integers or floating point numbers in the desired radix (base), format, and numeric range. Generated random numbers may match any one of the 17 built-in discrete or continuous statistical probability distributions.
Faker is a PHP library that generates fake data for you. Whether you need to bootstrap your database, create good-looking XML documents, fill-in your persistence to stress test it, or anonymize data taken from a production service, Faker is for you.