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Learning & research.

Checks a student's work against assignment instructions or a rubric and highlights what is missing before submission.

Coding practice and assessment platform with structured programming problems, automated tests, submissions, progress tracking, and Nexus AI assistance.

Search across 66 YouTube channels at once and answer questions with source videos.

Run mathematical proof/code submissions on the server and verify or reject them using tools such as Lean.

A searchable design research library that helps users discover studies, findings, and practical design insights.

Deep research presented as a structured, connected knowledge map.

Turn any topic into a personalized, structured course with bite sized lessons, roadmaps, visuals, and exercises.

A community for language exchange where users can find people who speak the language they are learning, connect with them, and practice together through conversations and community features.

Verify whether a quote or thought was actually said in a YouTube video.

AI research workspace for literature search, analysis, and scientific writing.