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Run work-sample screening tests or live code interviews using prepaid candidate invitations.

Independent TOEFL and TOEIC preparation with online practice, guides and sample tests.

Run your existing automated browser tests on BrowserStack's hosted browser grid.

Official LNAT preparation guidance, practice tests and sample essays.

Continuously runs .NET tests in Visual Studio or Rider and reports results as code changes.

Run Python tests with readable assertions, fixtures, parametrization, and failure reports.

Automate GUI behavior tests for desktop, web, mobile, and embedded applications with object-based recognition.

Mobile QA that runs plain-English tests on real Android and iOS devices.

Tracker composition with sample editing and synthesis

A library of published interface experiments and patterns

Track site speed and Core Web Vitals with lab tests, visitor data, and uptime alerts.

Create visual, no-code browser tests with AI planning and API or CLI runs for CI.

Official IELTS sample questions, writing guidance and links to preparation courses.

Provision managed PostgreSQL from Aiven Console or Terraform, then connect and load a sample dataset.

Develop resource-conscious firmware for embedded boards with a real-time operating system and Zephyr SDK.

Query fresh analytical data through a distributed OLAP datastore with SQL and REST access paths.

Official CELPIP sample practice, webinars, study guides and purchasable preparation materials.

Run Android component and resource tests in a JVM without launching an emulator for every test.

An Android UI testing framework for expressing screen actions and assertions in app tests.

Mutate Python code and rerun its tests to find changes the suite fails to catch.

The Microsoft test framework for writing and running unit tests in .NET projects.

Focused statistics tools for research calculations

Online reading and writing practice with sample lessons and classroom reports.

Write JVM tests with JUnit Jupiter and run them through the JUnit Platform from an IDE, build tool, or console.