A toolkit with common assertions and mocks that plays nicely with the standard library
- testify
- go
- assertions
- mocking
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TranslatedAn efficiency platform for the entire R&D lifecycle of products built with broad front-end technologies.
- ios
- tools
- monitoring
- performance
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
An email and SMTP testing tool with API for developers
- email-testing
- go
- golang
- smtp-server
Record, Replay, and Stub HTTP Interactions.
Test Automation Made Simple
- test-automation
- assertions
- testing-tools
- mock-server
A tool for mocking HTTP services
- wiremock
- json
- mocking
- stubbing
A mock code autogenerator for Go
Catches mail and serves it through a dream.
- smtp
- server
- ruby
Sql mock driver for golang to test database interactions
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
A simple online fake REST API server
Ministack: Free, open-source local AWS emulator - 60+ services, Terraform compatible, real databases. Free forever. MIT licensed.
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
- oas
- prism
- mocking
- api-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
Papercut SMTP -- The Simple Desktop Email Server
libfaketime modifies the system time for a single application
- ld-preload
- datetime
- wrapper
- intercept-calls
A friendly substitute for .NET mocking libraries.
- c-sharp
- dotnet
- dot-net
- testing
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
Manage & spin up mongodb server binaries with zero(or slight) configuration for tests.
Lightweight service virtualization/ API simulation / API mocking tool for developers and testers
- api-simulation
- golang
- proxy
- mitm