Newsletter
Join the Community
Subscribe to our newsletter for the latest news and updates
Practice non-algorithmic skills just like LeetCode! NootCode is an online judging and coaching platform where users can actively practice non-algorithmic skills such as CS fundamentals, system design and scenario analysis with instant feedback.

Fotools offers over 200 free online tools for developers and everyday users, covering a wide range of functionalities including encoding, encryption, image processing, and more.

Free Seedance 2.0 Video Generator seedance 2.0 Video Generation in Minutes seedance 2.0 video generation from text or image—create stunning videos with one click.

Streamline your link building strategy with our comprehensive backlink management platform, designed to track, analyze, and optimize backlinks for maximum SEO impact.
NootCode is an online platform designed to help software engineers practice and master crucial skills beyond just algorithm quizzes. It offers an interactive environment similar to LeetCode, focusing on non-algorithmic skills such as Computer Science Fundamentals, System Design, and Scenario Analysis. Users can work through real high-frequency interview questions from top tech companies and receive intelligent feedback based on the latest AI models. Featuring detailed editorials and the ability to practice anytime on mobile, NootCode supports continuous learning and improvement.