10 Best JavaScript Mock Server Libraries

List hand-picked by Openbase Experts
Learn More

nock

HTTP server mocking and expectations library for Node.js

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

pretender

A mock server library with a nice routing DSL

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Tree-Shakeable

openapi-backend

Build, Validate, Route, Authenticate and Mock using OpenAPI

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

@mocks-server/core

Mocks Server core. For programmatic usage only.

License: Apache-2.0

TypeScript Definitions: Not Found

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

mocker-api

mocker-api that creates mocks for REST APIs. It will be helpful when you try to test your application without the actual REST API server.

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

@mocks-server/main

Main distribution of Mocks Server

License: Apache-2.0

TypeScript Definitions: Not Found

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

openapi-mock-express-middleware

Generates express mock server from Open API spec

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

fauxauth

Helper application for testing OAuth clients

License: ISC

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

mock-http-server

Mock an HTTP server with JS

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

stubby

A configurable server for mocking/stubbing external systems during development.

License: Apache-2.0

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

@mswjs/http-middleware

Spawn an HTTP server from your request handlers or apply them to an existing server using a middleware.

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

egg-mock

Mock library for egg testing.

License: Unknown

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

the-fake-backend

Build a fake backend by providing the content of files or JavaScript objects through configurable routes.

License: ISC

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

http-server-mock

Powerful friendly HTTP mock server & proxy

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

stubsy

A mock server that ships with a UI to allow configuration during runtime.

License: ISC

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

drakov

Mock Server that implements the API Blueprint specification

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

swagger-express-middleware

Swagger 2.0 middlware and mocks for Express.js

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

ldap-server-mock

Really simple basic mock for LDAP server

License: AGPL-3.0

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

hock

An HTTP mocking server with an API based on Nock.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

create-test-server

Creates a minimal Express server for testing

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

apimocker

node.js module to run a simple http server for mock service responses.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

node-mock-server

File based Node REST API mock server

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

mock-couch

A node.js module designed to mock a CouchDB server, mostly for unit testing purposes.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

easymock

A simple but powerful mock server in nodejs

License: Unknown

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

highwind

Mock API express server

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

gulp-mock-server

to be the most simple gulp mock tool in the world

License: ISC

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

copy-cat

A standalone server to mock various communications services for push messaging, email, and sms.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

veggie

Mock server with response set switching

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Tree-Shakeable

moky

⚡ [npm] A proxy server with mock

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

express-mock-server-router

An express routing middleware for easily build up a mock restful API server.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

hot-mock-middleware

A express middleware that creates mock service simply, support for real-time refresh

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

raml-server

run a mocked server JUST based on a RAML API's definition .. zero coding

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

lowserver

Easy to apply a mock server into express app.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

mock-n-roll

configurable rest service system mock

License: Apache-2.0

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

express-mock-backend

Express mock rest api server for testing

License: ISC

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

hot-mock-server

An HTTP Server for Mock Data.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

express-mocker

NodeJS Multipurpose Mockup Server

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

express-leaf

Leaf mock server for Express

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

mockjs-server-cli

An express server that relies on mockjs to simulate the CLI of interface data

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

10 Best JavaScript Mock Server Libraries

List hand-picked by Openbase ExpertsLearn More

nock

HTTP server mocking and expectations library for Node.js

pretender

A mock server library with a nice routing DSL

openapi-backend

Build, Validate, Route, Authenticate and Mock using OpenAPI

@mocks-server/core

Mocks Server core. For programmatic usage only.

mocker-api

mocker-api that creates mocks for REST APIs. It will be helpful when you try to test your application without the actual REST API server.

@mocks-server/main

Main distribution of Mocks Server

openapi-mock-express-middleware

Generates express mock server from Open API spec

fauxauth

Helper application for testing OAuth clients

mock-http-server

Mock an HTTP server with JS

stubby

A configurable server for mocking/stubbing external systems during development.

@mswjs/http-middleware

Spawn an HTTP server from your request handlers or apply them to an existing server using a middleware.

egg-mock

Mock library for egg testing.

the-fake-backend

Build a fake backend by providing the content of files or JavaScript objects through configurable routes.

http-server-mock

Powerful friendly HTTP mock server & proxy

stubsy

A mock server that ships with a UI to allow configuration during runtime.

drakov

Mock Server that implements the API Blueprint specification

swagger-express-middleware

Swagger 2.0 middlware and mocks for Express.js

ldap-server-mock

Really simple basic mock for LDAP server

hock

An HTTP mocking server with an API based on Nock.

create-test-server

Creates a minimal Express server for testing

apimocker

node.js module to run a simple http server for mock service responses.

node-mock-server

File based Node REST API mock server

mock-couch

A node.js module designed to mock a CouchDB server, mostly for unit testing purposes.

easymock

A simple but powerful mock server in nodejs

highwind

Mock API express server

gulp-mock-server

to be the most simple gulp mock tool in the world

copy-cat

A standalone server to mock various communications services for push messaging, email, and sms.

veggie

Mock server with response set switching

moky

⚡ [npm] A proxy server with mock

express-mock-server-router

An express routing middleware for easily build up a mock restful API server.

hot-mock-middleware

A express middleware that creates mock service simply, support for real-time refresh

raml-server

run a mocked server JUST based on a RAML API's definition .. zero coding

lowserver

Easy to apply a mock server into express app.

mock-n-roll

configurable rest service system mock

express-mock-backend

Express mock rest api server for testing

hot-mock-server

An HTTP Server for Mock Data.

express-mocker

NodeJS Multipurpose Mockup Server

express-leaf

Leaf mock server for Express

mockjs-server-cli

An express server that relies on mockjs to simulate the CLI of interface data

List hand-picked by Openbase Experts
Learn More