A flexible CLI tool and library for generating fake time series data. Perfect for testing, development, and demonstration purposes.

Fake JavaScript timers

fake time and timers

An in-memory implementation of web extension APIs for testing. Supports all test frameworks (Vitest, Jest, etc)

Fake IndexedDB: a pure JS in-memory implementation of the IndexedDB API

TypeScript definitions for @sinonjs/fake-timers

A fake template literal tag to trick syntax highlighters, linters and formatters into action.

Generates mock data from zod schema. Powered by @faker-js/faker and randexp.js

Injects a fake HTTP request/response into a node HTTP server

A package to seed your database using Drizzle ORM

Lightweight debugging utility for Node.js and the browser

Storybook addon that mocks the JavaScript Date — and opt-in Temporal and Intl.DateTimeFormat — for individual stories.

Add fake test data easily to your Artillery test scripts.

You want Ethereum's [merkle-patricia tree](https://github.com/wanderer/merkle-patricia-tree), but you don't care about the stateRoot. Fake it! And reap the optimization benefits.

Description goes here.

All the Fake Data for All Your Real Needs

The easiest way to generate mock data based on your Prisma models!

Fake W3C MediaStreamTrack implementation

A fake server plugin for Vite.

Fake data generator