
JavaScript Full Course for free 🌐
A complete beginner JavaScript course covering fundamentals, DOM manipulation, events, arrays, objects, async programming, API fetching, and practical browser projects.
Course picks from YouTube
Pick a course from YouTube or paste your own video. Rozum keeps your learning organized with chapter progress and a workspace you can return to.
Paste any YouTube video link and turn it into a course


A complete beginner JavaScript course covering fundamentals, DOM manipulation, events, arrays, objects, async programming, API fetching, and practical browser projects.

A complete beginner Python course with hands-on projects, core programming concepts, GUI work, and a final weather app.

A comprehensive SQL course for beginners covering querying, joins, functions, window functions, advanced techniques, database objects, performance, and data analytics projects.

A broad DevOps course covering core DevOps concepts, Linux, Git, CI/CD, Docker, Kubernetes, monitoring, cloud workflows, and the culture and tooling behind modern software delivery.

A web design course for beginners covering visual design fundamentals, layout, typography, color, responsive pages, and practical website design decisions.

A long-form project management and PMP preparation course covering core concepts, methodologies, planning, execution, monitoring, and exam-focused guidance.

A deep technical walkthrough of large language models covering tokenization, neural networks, transformer training, inference, post-training, reasoning, tools, multimodality, and deployment-era LLM concepts.

A full Android and Kotlin course covering Kotlin fundamentals, object-oriented programming, collections, coroutines, SQLite, Android Studio, XML UI, activities, fragments, Jetpack Compose, persistence, Firestore, Room, Retrofit, permissions, Google Maps, and Google Places.
Learning paths
Long educational videos are useful, but they are hard to return to when your progress lives only inside a video timeline. Rozum turns course-style videos into a workspace with chapters, completion state, and a clear place to continue.
Use this catalog to find beginner-friendly and practical courses from established YouTube educators across programming, data, design, AI, DevOps, product work, and mobile development. You can also paste your own video link and organize it the same way.
Why use Rozum.sh

Rozum turns useful YouTube videos into a learning workspace you can return to, track, and study without rebuilding your plan each time.
Paste any useful video or choose a course pick without leaving the YouTube ecosystem behind.
Long videos become structured learning paths with clear chapters and a place to continue.
Track watched chapters, completed sections, and the exact point where you stopped.
Collect lessons from different creators and keep them organized in one focused workspace.