Best Mockito Alternatives & Competitors in 2025

JUnit is a simple framework to write repeatable tests.

Cucumber is a BDD tool for specification of application features and user scenarios in plain text.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

Robot Framework is a generic test automation framework for acceptance testing and acceptance...

Open Source

RSpec is a testing tool for the Ruby programming language born under the banner of Behavior-Driven Development featuring a rich command line program, textual descriptions of examples, and more.

Open Source

Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.

Open Source

Testbirds is a crowdtesting platform with a community of 100,000 testers

Mob4Hire provides the mobile marketplace mobile testing services.

TestNG is a testing framework.

Open Source

Application and Data, Build, Test, Deploy, and Testing Frameworks

Open Source

JBehave is a framework for Behaviour-Driven Development (BDD).

Open Source

Capybara helps you test web applications by simulating how a real user would interact with your app.

The company offers advanced website QA testing, our model doesn't require meetings/special adjustments to start, we can start testing when we have the main URL address. Our principles are simplicity and quality and our software proves both.

freemium

The easiest way to run remote user research. Test your product with users worldwide & create experiences they'll love.