npm
vitest-dev/vitest
Next generation testing framework powered by Vite.
MITAug 27, 2026 · metrics 2.10.0
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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.
127 records
npm
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. 🍺
MITAug 28, 2026 · metrics 2.10.0
PyPI
getmoto/moto
A library that allows you to easily mock out tests based on AWS infrastructure.
Apache-2.0Aug 28, 2026 · metrics 2.10.0
Go
keploy/keploy
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
Apache-2.0Aug 5, 2026 · metrics 2.10.0
crates.io · npm
0xMiden/protocol
Core components of the Miden protocol
MITJul 26, 2026 · metrics 2.10.0
npm
ardatan/graphql-tools
:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
MITAug 22, 2026 · metrics 2.10.0
npm
elastic/elastic-otel-node
No repository description published.
Apache-2.0Aug 30, 2026 · metrics 2.10.0
PyPI
joke2k/faker
Faker is a Python package that generates fake data for you.
MITAug 5, 2026 · metrics 2.10.0
npm
sinonjs/sinon
Test spies, stubs and mocks for JavaScript.
Custom licenseAug 15, 2026 · metrics 2.10.0
npm
typegoose/mongodb-memory-server
Manage & spin up mongodb server binaries with zero(or slight) configuration for tests.
MITAug 27, 2026 · metrics 2.10.0
PyPI
adamchainz/time-machine
Travel through time in your tests.
MITAug 27, 2026 · metrics 2.10.0
npm · PyPI · crates.io +4
mock-server/mockserver-monorepo
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
Apache-2.0Aug 28, 2026 · metrics 2.10.0
Maven
mockito/mockito
Most popular Mocking framework for unit tests written in Java
MITAug 5, 2026 · metrics 2.10.0
Go · PyPI
vektra/mockery
A mock code autogenerator for Go
BSD-3-ClauseAug 1, 2026 · metrics 2.10.0
npm
CopilotKit/aimock
Mock everything your AI app talks to — LLM APIs, MCP, A2A, AG-UI, vector DBs, search. One package, one port, zero dependencies.
MITAug 27, 2026 · metrics 2.10.0
PyPI
pytest-dev/pytest-mock
Thin-wrapper around the mock package for easier use with pytest
MITJul 16, 2026 · metrics 2.10.0
npm
streamich/memfs
Node.js "fs" and browser "File System API" adapters and in-memory implementations 👍
Apache-2.0Aug 13, 2026 · metrics 2.10.0
npm
mswjs/msw
Industry standard API mocking for JavaScript.
MITAug 4, 2026 · metrics 2.10.0
npm
pengzhanbo/vite-plugin-mock-dev-server
🚀mock-dev-server is injected into the vite development environment to simulate requests and data responses.在vite 开发环境中注入 mock-dev-server, 模拟请求和数据响应
MITAug 1, 2026 · metrics 2.10.0
Maven · npm
mockk/mockk
mocking library for Kotlin
Apache-2.0Aug 21, 2026 · metrics 2.10.0
PyPI
tekumara/fakesnow
Run, mock and test fake Snowflake databases locally.
Apache-2.0Aug 27, 2026 · metrics 2.10.0
—
Pester/Pester
Pester is the ubiquitous test and mock framework for PowerShell.
Custom licenseJul 18, 2026 · metrics 2.10.0
Packagist · PyPI
mockery/mockery
Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).
BSD-3-ClauseAug 27, 2026 · metrics 2.10.0
npm
vuejs/pinia
🍍 Intuitive, type safe, light and flexible Store for Vue using the composition api with DevTools support
MITAug 6, 2026 · metrics 2.10.0
Go · npm
bavix/gripmock
The fastest and most reliable gRPC mock server for testing and development
MITJul 17, 2026 · metrics 2.10.0
npm
nock/nock
HTTP server mocking and expectations library for Node.js
MITAug 27, 2026 · metrics 2.10.0
crates.io · Maven · npm
SaaSy-Solutions/mockforge
Comprehensive mocking framework for REST, gRPC, GraphQL & WebSockets. Features intelligent RAG-driven data synthesis, latency/fault injection, HTTP bridge, WASM plugins, E2E encryption, workspace sync, and modern admin UI. Production-ready with Docker support.
Custom licenseSep 5, 2026 · metrics 2.10.0
npm
hayes/pothos
Pothos GraphQL is library for creating GraphQL schemas in typescript using a strongly typed code first approach
ISCAug 2, 2026 · metrics 2.10.0
npm
mercadona/wrapito
🌯 Yummy React tests
MITJul 17, 2026 · metrics 2.10.0
NuGet
nsubstitute/NSubstitute
A friendly substitute for .NET mocking libraries.
Custom licenseJul 22, 2026 · metrics 2.10.0