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Create a profile to show off your tech skills. We offer tests for the most popular programming languages (like Python, JavaScript, TypeScript, Java, PHP, Ruby, C++, Swift, Kotlin), markup and domain-specific languages (HTML, CSS, SQL), databases (like MySQL, PostgreSQL, MongoDB, Redis), frameworks (React, Angular, Vue), servers (Ubuntu, RHEL, Debian) and more. We're adding more tests and competencies every week.

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