This free online tool allows to generate JSON dataset. You can generate multiple JSON files exported to a zip archive. No limits. No registration.
Based on our record, AreYouInterested seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can try https://areyouinterested.co. Source: about 3 years ago
Also, if you want to add some idea validation tools, then look at this and this. Source: about 3 years ago
JSON Generator - Create mock and sample JSON using a powerful template syntax
Ontraport - The sales and marketing platform for growing businesses
Mockaroo - A realistic data generator to test your app
Unicorn Platform - Create stunning websites easily with Unicorn Platform's new AI version.
Sbored. - Discover things to do in your free time
'X for Y' Idea Generator - Pitch a startup idea in 60 seconds