Show HN: Generate JSON mock data for testing/initial app development

• faker

  69 13,087 9.7 TypeScript

  Generate massive amounts of fake data in the browser and node.js (by faker-js)

  

• SaaSHub

  www.saashub.com featured

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

• JSON-Schema Faker

  8 3,302 6.4 JavaScript

  JSON-Schema + fake data generators

  

  There’s also json-schema-faker which is pretty cool.

  https://github.com/json-schema-faker/json-schema-faker

• trex

  3 242 2.6 Python

  Enforce structured output from LLMs 100% of the time (by automorphic-ai)

  

  A friend of mine built a tool called Trex that you might find helpful, check it out here: https://github.com/automorphic-ai/trex

  It's very consistent at generating templated data.

• outlines

  40 9,850 9.5 Python

  Structured Text Generation

  

  We provide this in https://github.com/outlines-dev/outlines.

• prism

  25 4,344 8.1 TypeScript

  Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations. (by stoplightio)

  

  I use https://stoplight.io/open-source/prism with x-faker properties in my OpenAPI specs to mock APIs with dynamic content.

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