faker-js / faker

Generate massive amounts of fake data in the browser and node.js

orval-labs / orval

orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. 🍺

dubzzz / fast-check

Property based testing framework for JavaScript (like QuickCheck) written in TypeScript

kubb-labs / kubb

🧡 Turn your API spec into type-safe code. Generate TypeScript types, API clients, hooks, validators and mocks from a spec such as OpenAPI.

0xarchit / github-profile-analyzer

Github Profile analyzer or analyser and reviewer tool. Gives review based on first 100 repos and only includes those forks in which user has contributions to avoid fake results | #1 profile analyzer on github

httptoolkit / mockttp

Powerful friendly HTTP mock server & proxy library

Nagi-ovo / dsh-ads

把 DSH 变成 2005 年门户网站｜Parody ads, fake games, and popups for the DSH Web UI

OpenLlamas / model-xray

Model authenticity / dilution detection CLI: one command, one report. Detect fake or watered-down LLM endpoints via identity, context, tokenizer, capability and latency checks.

MiladJoodi / MockData.ir

Fake REST APIs with live JSON. Docs, playground, and ready-to-use endpoints for frontend prototyping.