faiscadev / fakecloud
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.
faiscadev / fakecloud
leancodepl / patrol
Flutter-first UI testing framework. Ready for action!
stephrobert / feint
A local emulator of the Scaleway, Outscale and Exoscale APIs. Their own official CLIs drive it end to end, Terraform and OpenTofu drive two of the three — no cloud account, no cloud credentials, nothing billed.
Orange-OpenSource / hurl
Hurl, run and test HTTP requests with plain text.
inbucket / inbucket
Disposable webmail server (similar to Mailinator) with built in SMTP, POP3, RESTful servers; no DB required.
PragmaticFlow / NBomber
Distributed load-testing framework for .NET. Create distributed load test scenarios entirely using plain C# or F#. It is designed to test any system regardless of the protocol or a semantic model (Pull/Push).
ovh / venom
🐍 Manage and run your integration tests with efficiency - Venom run executors (script, HTTP Request, web, imap, etc... ) and assertions
httptoolkit / mockttp
Powerful friendly HTTP mock server & proxy library
apideck-libraries / portman
Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽🚀
upgundecha / awesome-cloud-emulators
A curated list of cloud emulators and local cloud development tools for AWS, Azure, and Google Cloud. Explore Moto, Azurite, LocalStack, Firebase, and more for integration testing and CI/CD.
Codeception / Codeception
Full-stack testing PHP framework
scanapi / scanapi
Automated Integration Testing and Live Documentation for your API
rubycdp / cuprite
Headless Chrome/Chromium driver for Capybara
smocker-dev / smocker
Smocker is a simple and efficient HTTP mock server and proxy
leonid-shevtsov / headless
Create a virtual X screen from Ruby, record videos and take screenshots.
gemini-testing / testplane
Testplane (ex-hermione) browser test runner based on mocha and wdio
greenmail-mail-test / greenmail
Official master for the Greenmail project
testcontainers / testcontainers-java
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
goldbergyoni / nodejs-testing-best-practices
Beyond the basics of Node.js testing. Including a super-comprehensive best practices list and an example app (April 2025)
cucumber / godog
Cucumber for golang
testcontainers / testcontainers-rs
A library for integration-testing against docker containers from within Rust.
skrapeit / skrape.it
A Kotlin-based testing/scraping/parsing library providing the ability to analyze and extract data from HTML (server & client-side rendered). It places particular emphasis on ease of use and a high level of readability by providing an intuitive DSL. It aims to be a testing lib, but can also be used to scrape websites in a convenient fashion.
ory / dockertest
Write better integration tests! Dockertest helps you boot up ephermal docker images for your Go tests with minimal work.
willlzl / Perpetual
Rebuild a local twin of your app on every push, replay approved business journeys, and report a GitHub check.