Packagist · PyPI88Excellenthealth index

mockery/mockeryMockery 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).
PHP★ 10.7K↓ 11.7M/moAug 27, 2026
npm88Excellenthealth index

zendesk/laikaLog, test, intercept and modify Apollo Client's operations
TypeScript · JavaScript★ 124↓ 63.4K/moOct 11, 2026
npm87Excellenthealth index

nock/nockHTTP server mocking and expectations library for Node.js
JavaScript★ 13.1K↓ 24.1M/moSep 19, 2026
NuGet87Excellenthealth index
C#★ 2,975Sep 12, 2026
npm87Excellenthealth index
TypeScript★ 256↓ 48K/moSep 15, 2026
NuGet · PyPI87Excellenthealth index
C#★ 649Oct 6, 2026
PyPI86Excellenthealth index

Polandia94/aiointerceptMock aiohttp HTTP requests by routing them through a real aiohttp.web test server. Inspired by aioresponses, with a largely compatible API.
Python★ 12↓ 131.5K/moOct 21, 2026
crates.io · Maven · npm86Excellenthealth index
Rust · TypeScript · HTML★ 12↓ 5,220/moOct 21, 2026
NuGet86Excellenthealth index
C#★ 74Sep 9, 2026
npm86Excellenthealth index
TypeScript★ 1,726↓ 667.9K/moSep 8, 2026
Maven · npm84Excellenthealth index

TNG/keycloak-mockA Java library to test REST endpoints secured by Keycloak via OpenID connect.
Java★ 135Sep 6, 2026
crates.io84Excellenthealth index
Rust★ 250↓ 3M/moOct 21, 2026
NuGet84Excellenthealth index
C#★ 114Sep 11, 2026
npm · Go84Excellenthealth index

marle3003/mokapiYour API mocking tool for OpenAPI and AsyncAPI using Go and JavaScript - https://mokapi.io
Go · Vue★ 58↓ 5,345/moSep 6, 2026
Go84Excellenthealth index

phenixblue/k8sharkCapture Kubernetes cluster state to a portable archive and replay it through a mock API server — use kubectl against a customer's environment without live cluster access.
Go★ 54Sep 12, 2026
npm84Excellenthealth index
TypeScript★ 24↓ 120.7K/moSep 20, 2026
C★ 36Sep 12, 2026
Packagist83Excellenthealth index
PHP★ 15↓ 6,202/moOct 20, 2026
PyPI83Excellenthealth index
Python★ 27↓ 157.3K/moSep 17, 2026
npm83Excellenthealth index

mhassan1/redis-memory-serverRedis Server for testing. The server will allow you to connect your favorite client library to the Redis Server and run parallel integration tests isolated from each other.
TypeScript★ 131↓ 955.9K/moSep 6, 2026
Maven83Excellenthealth index
Scala★ 368Sep 16, 2026
crates.io83Excellenthealth index
Rust★ 6,876↓ 193M/moSep 16, 2026
PyPI81Excellenthealth index

cdelmonte-zg/nanoidpA lightweight, configurable Identity Provider for development and testing. Supports OAuth2/OIDC and SAML 2.0 protocols with a full-featured web UI for configuration.
Python★ 23↓ 3,130/moSep 11, 2026
npm81Excellenthealth index

dahlia/upyoUpyo is a simple and cross-runtime library for sending email messages using SMTP and various email providers. It works on Node.js, Deno, Bun, and edge functions.
TypeScript★ 571↓ 82.8K/moSep 12, 2026
npm81Excellenthealth index

jaredwray/mockhttpA simple HTTP server that can be used to mock HTTP responses for testing purposes. Inspired by httpbin and built using nodejs and fastify with the idea of running it via https://mockhttp.org, via docker jaredwray/mockhttp, or nodejs npm install jaredwray/mockhttp.
TypeScript★ 22↓ 409/moSep 14, 2026
PyPI81Excellenthealth index
Python★ 313↓ 208.7K/moOct 16, 2026
npm81Excellenthealth index

mswjs/dataData querying library for testing JavaScript applications.
TypeScript★ 1,064↓ 400.1K/moOct 5, 2026
npm81Excellenthealth index
TypeScript★ 683↓ 87.2M/moSep 8, 2026
npm81Excellenthealth index
TypeScript★ 494↓ 11.6M/moSep 16, 2026
npm · crates.io81Excellenthealth index

redwoodjs/local-ciRun GitHub Actions locally — pause on failure, retry in place, and keep caches on your machine.
TypeScript · Rust★ 790↓ 115.6K/moSep 8, 2026