Light, fluffy, and always free - The AWS Local Emulator alternative
Repository Index
47,133 repositories indexed
1–24 of 28 · Most stars
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
The industry standard for API mocking in JavaScript.
- msw
- mock
- mocking-framework
- service-worker
Most popular Mocking framework for unit tests written in Java
- mockito
- java
- mocking-framework
- testing-tools
Test Automation Made Simple
- test-automation
- assertions
- testing-tools
- mock-server
Catches mail and serves it through a dream.
- smtp
- server
- ruby
:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
- graphql-schema
- schema-language
- graphql
- graphql-api
A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.
Papercut SMTP -- The Simple Desktop Email Server
A friendly substitute for .NET mocking libraries.
- c-sharp
- dotnet
- dot-net
- testing
Lightweight service virtualization/ API simulation / API mocking tool for developers and testers
- api-simulation
- golang
- proxy
- mitm
Generate custom HTTP responses, the simpler way to test your Web Services
- scala
- mocky
- javascript
- mock
Embedded unit testing framework for Godot 4 supporting GDScript and C#. Features test-driven development, embedded test inspector, extensive assertions, mocking, scene testing.
Mock Alamofire and URLSession requests without touching your code implementation
- wt-branch-protection-two-approvals
- wt-branch-protection-exempt
Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,657 operations, true 100% Smithy conformance (258,545/258,545 variants pass). No account, no auth token, no paid tier.
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
- http-server
- dump
- dummy
- testing
In-page HTTP controller for frontend development. Intercept, modify, and simulate API responses directly in the browser.
Generate mocks from ActiveRecord models for unit tests that run fast because they don’t need to load Rails or a database.
HTTP requests collector to test webhooks, notifications, REST clients and more ...
- webhooks
- test-automation
- qa
- testing
Enable network mocks and more in UI Tests
a socket mock framework - for all kinds of socket animals, web-clients included
Go Interface Mocking Tool
HTTP mock for Golang: record and replay HTTP/HTTPS interactions for offline testing
Java binding for Hoverfly
- api-simulation
- service-virtualization
- java
- testing