Mock projects on GitHub

Mocking APIs and simulating services for development and tests.

As of October 19, 2026, the most-starred Mock projects on GitHub are vue-element-admin (90.1K stars), json-server (75.7K stars) and googletest (39.7K stars). GitHub.Locker tracks 16 Mock repositories with 417.4K stars combined. The fastest-growing on October 17 was keploy, with +14 stars in a day.

16Projects

417.4KStars in total

+45Stars in a day

Browse in the catalog →github.com/topics/mock ↗

Hot right now

Most stars gained in a day · Oct 17

+14

keploy

keploy/keploy · ★ 18.6K

Keploy is an open-source tool that auto-generates API and integration tests from real traffic: it records your API calls, database queries and streaming events, then replays them as tests.

scalar

scalar/scalar · ★ 16.3K

Scalar is an open-source API platform: a modern, offline-first REST API client built for OpenAPI (a Postman alternative), plus an interactive API reference that renders OpenAPI/Swagger documents and looks nothing like 2011.

googletest

google/googletest · ★ 39.7K

Google's testing and mocking framework for C++, built on the xUnit architecture. It merges the formerly separate GoogleTest and GoogleMock projects, which Google now maintains and releases together.

soybean-admin

soybeanjs/soybean-admin · ★ 15.1K

SoybeanAdmin is a clean, elegant and feature-rich admin template for Vue3 — a ready-made dashboard boilerplate built on Vite, TypeScript, Pinia, NaiveUI and UnoCSS that works out of the box.

The all-time top

16 projects · by stars

#1 · PanJiaChen/vue-element-admin
vue-element-admin
vue-element-admin is a production-ready front-end solution for building admin interfaces, built on Vue and the element-ui component toolkit.
90.1K
#2 · typicode/json-server
json-server
json-server lets you spin up a fully working fake REST API in under 30 seconds, with no backend code to write — just a single JSON file defining your data.
75.7K
#3 · google/googletest
googletest
Google's testing and mocking framework for C++, built on the xUnit architecture. It merges the formerly separate GoogleTest and GoogleMock projects, which Google now maintains and releases together.
39.7K

4
yapi
27.7KYMFE/yapi · JavaScript
YApi is a visual API management platform for developers, product managers and QA: one place to document, debug, mock and automatically test your APIs.
5
Faker
26.6Kfzaninotto/Faker · PHP
Faker is a PHP library that generates fake data for you, such as names, addresses, phone numbers, emails, and more.
6
keploy
18.6Kkeploy/keploy · Go
Keploy is an open-source tool that auto-generates API and integration tests from real traffic: it records your API calls, database queries and streaming events, then replays them as tests.
7
msw
18.3Kmswjs/msw · TypeScript
Mock Service Worker (MSW) is the industry-standard API mocking library for JavaScript. It intercepts the network requests your app makes and serves mock responses you define, so you never touch a real backend.
8
scalar
16.3Kscalar/scalar · TypeScript
Scalar is an open-source API platform: a modern, offline-first REST API client built for OpenAPI (a Postman alternative), plus an interactive API reference that renders OpenAPI/Swagger documents and looks nothing like 2011.
9
faker
15.5Kfaker-js/faker · TypeScript
Faker is a JavaScript/TypeScript library that generates massive amounts of fake but realistic data — names, addresses, dates, finance records — for testing and development, in the browser and Node.js.
10
mockito
15.5Kmockito/mockito · Java
Mockito is a mocking framework for unit tests written in Java, and the most popular one: it creates mock objects so you can test a class in isolation from its dependencies.
11
soybean-admin
15.1Ksoybeanjs/soybean-admin · TypeScript
SoybeanAdmin is a clean, elegant and feature-rich admin template for Vue3 — a ready-made dashboard boilerplate built on Vite, TypeScript, Pinia, NaiveUI and UnoCSS that works out of the box.
12
nock
13.1Knock/nock · JavaScript
Nock is a Node.js library that mocks HTTP servers so you can test code that performs HTTP requests without hitting a real network.
13
faker
11.9Kfaker-ruby/faker · Ruby
Faker is a Ruby library that generates realistic-looking fake data (names, addresses, emails, phone numbers, and more) for testing, demos, and seeding databases.
14
douyin
11.5Kzyronon/douyin · Vue
A Vue3 + Pinia clone of Douyin (TikTok), built to showcase best practices for using Vue on mobile with a native-app-like smooth short-video feed.
15
ant-design-vue-pro
10.9KvueComponent/ant-design-vue-pro · Vue
An out-of-box UI solution for enterprise applications: a Vue 2 boilerplate that ships a complete admin dashboard built on Ant Design Vue, so you start from a working app instead of an empty project.
16
mockery
10.7Kmockery/mockery · PHP
A PHP mock object framework for unit testing: it builds test doubles (mocks) through a succinct, human-readable DSL, so your tests can call fakes instead of real objects.