mocking

mockoon

+12

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

wiremock

+10

A tool for mocking HTTP services

prism

+11

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

mswjs/msw

+12

The industry standard for API mocking in JavaScript.

gdUnit4

+8

Embedded unit testing framework for Godot 4 supporting GDScript and C#. Features test-driven development, embedded test inspector, extensive assertions, mocking, scene testing.

testify

+10

A toolkit with common assertions and mocks that plays nicely with the standard library

hoverfly

+5

Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

microcks

+4

The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀

ng-mocks

+3

Angular testing library for mocking components, directives, pipes, services and facilitating TestBed setup