Web and API based SMTP testing
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An email and SMTP testing tool with API for developers
- email-testing
- go
- golang
- smtp-server
A library that allows you to easily mock out tests based on AWS infrastructure.
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Catches mail and serves it through a dream.
- smtp
- server
- ruby
A client-side server to build, test and share your JavaScript app
:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
- graphql-schema
- schema-language
- graphql
- graphql-api
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
- oas
- prism
- mocking
- api-testing
Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!
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.
- mock-server
- proxy
- java-client
- javascript-client
A utility for mocking out the Python Requests library.
- tag-production
PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
smtp4dev - the fake smtp email server for development and testing
HTTP Toolkit is a beautiful & open-source tool for debugging, testing and building with HTTP(S) on Windows, Linux & Mac :tada: Open an issue here to give feedback or ask for help.
- feedback
- developer-tools
- http
Axios adapter that allows to easily mock requests
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
libfaketime modifies the system time for a single application
- ld-preload
- datetime
- wrapper
- intercept-calls
DummyJSON.com provides different types of REST Endpoints filled with JSON data which you can use in developing the frontend with your favorite framework and library without worrying about writing a backend.
- json
- json-api
- json-server
- javascript
做最好的接口管理平台
gomonkey is a library to make monkey patching in unit tests easy
- gomonkey
- patch
- function
- member-method
Insomnia Mockbin is the underlying backend for the API mocks capability of Insomnia. It is built and used by Kong, the author of the open-source Kong Gateway.
- apis
- mocking
- api-management
- api-testing
A utility for doing compile or runtime code generation targeting Android's Dalvik VM
Testing HTTP requests has never been easier. Nocilla: Stunning HTTP stubbing for iOS and Mac OS X.