Selenium alternatives and similar libraries

Based on the "Testing" category.
Alternatively, view Selenium alternatives based on common mentions on social networks and blogs.

Mockito

9.4 8.6 L4 Selenium VS Mockito

Most popular Mocking framework for unit tests written in Java
JUnit

9.2 0.0 L5 Selenium VS JUnit

A programmer-oriented testing framework for Java.

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Karate

8.9 8.6 Selenium VS Karate

Test Automation Made Simple
Apache JMeter

8.9 9.3 L2 Selenium VS Apache JMeter

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
TestContainers

8.8 9.7 L5 Selenium VS TestContainers

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.
REST Assured

8.8 8.0 L5 Selenium VS REST Assured

Java DSL for easy testing of REST services
WireMock

8.6 7.6 L5 Selenium VS WireMock

A tool for mocking HTTP services
Gatling

8.6 9.8 Selenium VS Gatling

Modern Load Testing as Code
Cucumber

8.4 9.0 L5 Selenium VS Cucumber

Cucumber for the JVM
MockServer

8.3 9.7 L2 Selenium VS MockServer

MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).
Moco

8.3 8.3 L4 Selenium VS Moco

Easy Setup Stub Server
PowerMock

8.1 0.0 L1 Selenium VS PowerMock

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
Spock

7.8 9.1 L4 Selenium VS Spock

The Enterprise-ready testing and specification framework.
TestNG

7.7 7.4 L2 Selenium VS TestNG

TestNG testing framework
Awaitility

7.6 4.5 L5 Selenium VS Awaitility

Awaitility is a small Java DSL for synchronizing asynchronous operations
AssertJ

7.4 9.4 L4 Selenium VS AssertJ

AssertJ is a library providing easy to use rich typed assertions
Truth

7.3 8.1 L3 Selenium VS Truth

Fluent assertions for Java and Android
ArchUnit

7.2 8.9 Selenium VS ArchUnit

A Java architecture test library, to specify and assert architecture rules in plain Java
Hamcrest

7.1 6.6 L5 Selenium VS Hamcrest

Java (and original) version of Hamcrest
Selenide

7.1 9.7 L5 Selenium VS Selenide

Concise UI Tests with Java!
PIT

6.5 9.1 L4 Selenium VS PIT

State of the art mutation testing system for the JVM
Pact JVM

6.4 8.9 Selenium VS Pact JVM

JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.
Galen

6.2 0.0 Selenium VS Galen

Layout and functional testing framework for websites
JSONAssert

5.6 5.8 L4 Selenium VS JSONAssert

Write JSON unit tests in less code. Great for testing REST interfaces.
JUnitParams

5.6 0.0 Selenium VS JUnitParams

Parameterised tests that don't suck
JFairy

5.2 1.7 L5 Selenium VS JFairy

Java fake data generator
JMockit

5.1 0.0 L5 Selenium VS JMockit

Advanced Java library for integration testing, mocking, faking, and code coverage
GreenMail

5.0 8.0 L3 Selenium VS GreenMail

Official master for the Greenmail project
Fixture Factory

4.6 0.0 Selenium VS Fixture Factory

Generator fake objects from a template
Citrus

4.6 7.8 Selenium VS Citrus

Framework for automated integration tests with focus on messaging integration
System Rules

4.6 0.0 Selenium VS System Rules

A collection of JUnit rules for testing code which uses java.lang.System.
JGiven

4.3 8.6 L4 Selenium VS JGiven

Behavior-Driven Development in plain Java
ConcurrentUnit

4.2 0.0 L5 Selenium VS ConcurrentUnit

Toolkit for testing multi-threaded and asynchronous applications
Burst

4.2 0.0 Selenium VS Burst

A unit testing library for varying test data.
junit-dataprovider

4.1 2.1 Selenium VS junit-dataprovider

A TestNG like dataprovider runner for JUnit with many additional features
Lamdba Behave

3.8 0.0 L5 Selenium VS Lamdba Behave

A modern testing and behavioural specification framework for Java 8
Jukito

3.8 0.0 L4 Selenium VS Jukito

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

3.8 0.0 Selenium VS Mutability Detector

Lightweight analysis tool for detecting mutability in Java classes
Arquillian

3.6 Selenium VS Arquillian

Integration and functional testing platform for Java EE containers.
Randomized Testing

3.4 7.0 Selenium VS Randomized Testing

Randomized Testing (Core JUnit Runner, ANT, Maven)
JMock

3.4 0.0 Selenium VS JMock

An expressive Mock Object library for Test Driven Development
Cukes-REST

3.3 4.5 L4 Selenium VS Cukes-REST

Cucumber DSL for testing RESTful Web Services
Hoverfly Java

3.3 5.3 Selenium VS Hoverfly Java

Java binding for Hoverfly
RabbitMQ-mock

3.2 0.0 Selenium VS RabbitMQ-mock

Mock for RabbitMQ Java amqp-client
Spectrum

3.1 0.0 Selenium VS Spectrum

A BDD-style test runner for Java 8. Inspired by Jasmine, RSpec, and Cucumber.
Scott Test Reporter

3.0 0.0 L4 Selenium VS Scott Test Reporter

Never debug a test again: Detailed failure reports and hassle free assertions for Java tests - Power Asserts for Java
beanmother

2.9 0.0 Selenium VS beanmother

A library for setting up Java objects as test data.
pojo-tester

2.7 0.0 L5 Selenium VS pojo-tester

Java testing framework for testing pojo methods. It tests equals, hashCode, toString, getters, setters, constructors and whatever you report in issues ;)
raml-tester

2.6 0.0 L5 Selenium VS raml-tester

Test if a request/response matches a given raml definition
J8Spec

2.5 1.7 L5 Selenium VS J8Spec

Library that allows tests written in Java to follow the BDD style introduced by RSpec and Jasmine.