In-memory email server for integration testing. Supports SMTP, POP3 and IMAP including SSL.

GreenMail alternatives and similar libraries

Based on the "Testing" category

• JUnit

  9.4 7.2 L5 GreenMail VS JUnit

  Common testing framework.

• Mockito

  9.3 8.7 L4 GreenMail VS Mockito

  Creation of test double objects in automated unit tests for the purpose of TDD or BDD.

• REST Assured

  8.7 8.5 L5 GreenMail VS REST Assured

  Java DSL for easy testing for REST/HTTP services.

• Gatling

  8.7 9.5 GreenMail VS Gatling

  Load testing tool designed for ease of use, maintainability and high performance.

• Apache JMeter

  8.6 9.6 L2 GreenMail VS Apache JMeter

  Functional testing and performance measurements.

• Cucumber

  8.3 9.2 L5 GreenMail VS Cucumber

  BDD testing framework.

• WireMock

  8.3 8.6 L5 GreenMail VS WireMock

  Stubbs and mocks web services.

• Moco

  8.2 9.0 L4 GreenMail VS Moco

  Concise web services for stubs and mocks, Duke's Choice Award 2013.

• TestContainers

  8.2 9.5 L5 GreenMail VS TestContainers

  Provides throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

• PowerMock

  8.1 4.9 L1 GreenMail VS PowerMock

  Enables mocking of static methods, constructors, final classes and methods, private methods and removal of static initializers.

• MockServer

  8.0 9.6 L2 GreenMail VS MockServer

  Allows mocking of systems that are integrated with HTTP/S.

• Spock

  7.7 6.5 L4 GreenMail VS Spock

  JUnit-compatible framework featuring an expressive Groovy-derived specification language.

• TestNG

  7.7 8.2 L2 GreenMail VS TestNG

  Testing framework.

• Hamcrest

  7.2 5.6 L5 GreenMail VS Hamcrest

  Matchers that can be combined to create flexible expressions of intent.

• Truth

  7.1 8.8 L3 GreenMail VS Truth

  Google's assertion and proposition framework.

• AssertJ

  6.9 9.0 L4 GreenMail VS AssertJ

  Fluent assertions that improve readability.

• Awaitility

  6.8 8.0 L5 GreenMail VS Awaitility

  DSL for synchronizing asynchronous operations.

• Selenide

  6.6 8.8 L5 GreenMail VS Selenide

  Concise API around Selenium to write stable and readable UI tests.

• Galen

  6.5 5.2 GreenMail VS Galen

  Layout and functional testing framework for websites.

• ArchUnit

  6.0 8.9 GreenMail VS ArchUnit

  Architecture test library, to specify and assert architecture rules.

• Pact JVM

  6.0 9.3 GreenMail VS Pact JVM

  Consumer-driven contract testing.

• PIT

  5.9 8.0 L4 GreenMail VS PIT

  Fast mutation-testing framework for evaluating fault-detection abilities of existing JUnit or TestNG test-suites.

• JUnitParams

  5.8 0.0 GreenMail VS JUnitParams

  Creation of readable and maintainable parametrised tests.

• Selenium

  5.7 6.8 L5 GreenMail VS Selenium

  Portable software testing framework for web applications.

• JSONAssert

  5.6 0.0 L4 GreenMail VS JSONAssert

  Simplifies testing of JSON strings.

• JFairy

  5.2 0.0 L5 GreenMail VS JFairy

  Fake data generator.

• JBehave

  4.9 7.7 L4 GreenMail VS JBehave

  Framework for Behavioural Driven Development.

• JMockit

  4.8 8.4 L5 GreenMail VS JMockit

  Mocks static, final methods and more.

• Citrus

  4.6 5.8 GreenMail VS Citrus

  Integration testing framework with focus on client- and serverside messaging.

• Fixture Factory

  4.5 0.0 GreenMail VS Fixture Factory

  Generates fake objects from a template.

• Burst

  4.4 1.4 GreenMail VS Burst

  A unit testing library for varying test data.

• JGiven

  4.1 6.8 L4 GreenMail VS JGiven

  Developer-friendly BDD testing framework compatible with JUnit and TestNG.

• Jukito

  4.0 0.0 L4 GreenMail VS Jukito

  The combined power of JUnit, Guice and Mockito. Plus it sounds like a cool martial art.

• ConcurrentUnit

  4.0 3.6 L5 GreenMail VS ConcurrentUnit

  Toolkit for testing multi-threaded and asynchronous applications.

• Lamdba Behave

  3.8 0.0 L5 GreenMail VS Lamdba Behave

  Descriptive behavioural specification framework.

• Mutability Detector

  3.8 7.7 GreenMail VS Mutability Detector

  Reports on whether instances of a given class are immutable.

• Arquillian

  3.6 8.0 GreenMail VS Arquillian

  Integration and functional testing platform for Java EE containers.

• junit-dataprovider

  3.6 6.2 GreenMail VS junit-dataprovider

  A TestNG like dataprovider runner for JUnit.

• JMock

  3.5 7.4 GreenMail VS JMock

  An expressive Mock Object library for Test Driven Development

• Randomized Testing

  3.4 6.1 GreenMail VS Randomized Testing

  JUnit test runner and plugins for running JUnit tests with pseudo-randomness.

• Hoverfly Java

  3.3 7.9 GreenMail VS Hoverfly Java

  Native bindings for Hoverfly a proxy which allows you to simulate HTTP services.

• Cukes-REST

  3.3 5.9 L4 GreenMail VS Cukes-REST

  A collection of Gherkin steps for REST-service testing using Cucumber.

• Spectrum

  3.2 0.0 GreenMail VS Spectrum

  BDD, testing

• Scott Test Reporter

  2.9 8.4 L4 GreenMail VS Scott Test Reporter

  Detailed failure reports and hassle free assertions for Java tests - Power Asserts for Java

• beanmother

  2.8 1.8 GreenMail VS beanmother

  A library for setting up Java Bean as test data.

• raml-tester

  2.8 0.0 L5 GreenMail VS raml-tester

  Tests if a request/response matches a given RAML definition.

• pojo-tester

  2.7 0.0 L5 GreenMail VS pojo-tester

  Automatically performs tests on basic POJO-methods.

• J8Spec

  2.4 0.0 L5 GreenMail VS J8Spec

  J8Spec is a library that allows tests written in Java to follow the BDD style introduced by RSpec and Jasmine.

• TRUST

  2.0 0.0 GreenMail VS TRUST

  Test Results Verification library for Java

• Unitils

  - - GreenMail VS Unitils

  Modular testing library for unit and integration testing.

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest. Visit our partner's website for more details.

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