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#mock

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

59 records
Tagged “mock”Ranked by health index
Go
85Excellenthealth index
keploy/keploy
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
Go★ 18.1KJul 15, 2026
Apache-2.0Jul 15, 2026 · metrics 1.13.0
npm
83Goodhealth index
anymaniax/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. 🍺
TypeScript★ 6,248Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
npm
83Goodhealth index
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. 🍺
TypeScript★ 6,247Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
PyPI
82Goodhealth index
getmoto/moto
A library that allows you to easily mock out tests based on AWS infrastructure.
Python★ 8,586Jul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
npm
78Goodhealth index
ardatan/graphql-tools
:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
TypeScript★ 5,429↓ 0/moJul 13, 2026
MITJul 13, 2026 · metrics 1.13.0
PyPI
78Goodhealth index
pytest-dev/pytest-mock
Thin-wrapper around the mock package for easier use with pytest
Python★ 2,033Jul 16, 2026
MITJul 16, 2026 · metrics 1.13.0
PyPI
76Goodhealth index
joke2k/faker
Faker is a Python package that generates fake data for you.
Python★ 19.3KJul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
npm
76Goodhealth index
mswjs/msw
Industry standard API mocking for JavaScript.
TypeScript★ 18.1K↓ 78.4M/moJul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
npm
75Goodhealth index
CopilotKit/aimock
Mock everything your AI app talks to — LLM APIs, MCP, A2A, AG-UI, vector DBs, search. One package, one port, zero dependencies.
TypeScript★ 651↓ 2.7M/moJul 21, 2026
MITJul 21, 2026 · metrics 1.13.0
PyPI
75Goodhealth index
adamchainz/time-machine
Travel through time in your tests.
Python · C★ 981↓ 23.5M/moJul 18, 2026
MITJul 18, 2026 · metrics 1.13.0
—
74Goodhealth index
Pester/Pester
Pester is the ubiquitous test and mock framework for PowerShell.
PowerShell★ 3,304Jul 18, 2026
Custom licenseJul 18, 2026 · metrics 1.13.0
Go · npm
73Goodhealth index
bavix/gripmock
The fastest and most reliable gRPC mock server for testing and development
Go★ 73Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
NuGet
73Goodhealth index
nsubstitute/NSubstitute
A friendly substitute for .NET mocking libraries.
C#★ 2,964Jul 22, 2026
Custom licenseJul 22, 2026 · metrics 1.13.0
npm
72Goodhealth index
eugef/node-mocks-http
Mock 'http' objects for testing Express,js, Next.js and Koa routing functions
JavaScript · TypeScript★ 773↓ 8.4M/moJul 21, 2026
Custom licenseJul 21, 2026 · metrics 1.13.0
npm
72Goodhealth index
mercadona/wrapito
🌯 Yummy React tests
TypeScript · JavaScript★ 30↓ 7,237/moJul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
npm
72Goodhealth index
nock/nock
HTTP server mocking and expectations library for Node.js
JavaScript★ 13.1K↓ 26.4M/moJul 20, 2026
MITJul 20, 2026 · metrics 1.13.0
PyPI
72Goodhealth index
tekumara/fakesnow
Run, mock and test fake Snowflake databases locally.
Python★ 199↓ 2.3M/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
PyPI
70Goodhealth index
lk-geimfari/mimesis
Mimesis is a fast Python library for generating fake data in multiple languages.
Python★ 4,829↓ 2.3M/moJul 15, 2026
MITJul 15, 2026 · metrics 1.13.0
Packagist
68Moderatehealth index
Brain-WP/BrainMonkey
Mocking utility for PHP functions and WordPress plugin API
PHP★ 342↓ 624.1K/moJul 20, 2026
MITJul 20, 2026 · metrics 1.13.0
npm
68Moderatehealth index
remorses/kimaki
all opencode features deeply integrated inside Discord. each project is a channel. each session a thread
TypeScript★ 1,260↓ 4,939/moJul 19, 2026
MITJul 19, 2026 · metrics 1.13.0
PyPI
67Moderatehealth index
lundberg/respx
Mock HTTPX with awesome request patterns and response side effects 🦋
Python★ 819↓ 19.6M/moJul 17, 2026
BSD-3-ClauseJul 17, 2026 · metrics 1.13.0
Go · npm
67Moderatehealth index
marle3003/mokapi
Your API mocking tool for OpenAPI and AsyncAPI using Go and JavaScript - https://mokapi.io
Go · Vue★ 56Jul 15, 2026
MITJul 15, 2026 · metrics 1.13.0
Packagist
66Moderatehealth index
Lendable/clock
Lendable Clock Abstraction
PHP★ 15↓ 4,668/moJul 14, 2026
MITJul 14, 2026 · metrics 1.13.0
npm
66Moderatehealth index
avwo/whistle
HTTP, HTTP2, HTTPS, Websocket debugging proxy
JavaScript★ 15.6K↓ 17.1K/moJul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
—
65Moderatehealth index
Azure/umock-c
A pure C mocking library
C★ 36Jul 20, 2026
MITJul 20, 2026 · metrics 1.13.0