BrowserStack

Appium

appium/appium

Popular

WebDriver-based automation for native, hybrid and mobile web apps; the long-time cross-platform standard.

Espresso

android/android-test

Android's official UI testing framework for fast, automatically synchronized in-app tests.

XCUITest

developer.apple.com

Popular

Apple's native UI testing framework for iOS and macOS apps, built into Xcode's XCTest.

Maestro

mobile-dev-inc/Maestro

Trending

YAML-based end-to-end UI testing for iOS, Android, React Native, Flutter and web; simple and flake-resistant.

Detox

wix/Detox

Wix's gray-box end-to-end testing framework for React Native apps on simulators and devices.

Patrol

leancodepl/patrol

Flutter-first UI testing framework that can also drive native OS dialogs, notifications and permissions.

Robolectric

robolectric/robolectric

Runs Android tests on the JVM without an emulator for fast, reliable unit and UI tests.

Sauce Labs

saucelabs.com

Enterprise cloud testing platform for web and mobile with real devices, emulators and test analytics.

TestMu AI

testmuai.com

New

LambdaTest rebranded in 2026: a cloud browser/device grid plus agentic AI test authoring and execution.