Full catalog
In-IDE learning
Introduction to Python
Master Python fundamentals with no prior experience. Learn by coding in a professional IDE—stress-free, hands-on, and broken into well-structured lessons for smooth, beginner-friendly progress.
In-IDE learning
AtomicKotlin
These are examples and exercises accompanying the Atomic Kotlin book. These materials are designed for both dedicated novices and experienced programmers – no programming background is necessary. Kotlin is powerful – not only does it have a rich set of features, but you can also express those features in numerous ways. These features are discussed in the book and presented in the exercises. Each atom in Atomic Kotlin is accompanied by several exercises to cement your understanding of the material. We recommend solving the exercises directly after reading an atom.
In-IDE learning
Kotlin Koans
Build Kotlin fluency by fixing failing unit tests. Each bite-sized challenge helps you master syntax, idioms, and core features through real, test-driven practice.
In-IDE learning
Learn Rust Programming
New to Rust? Learn it hands-on in a beginner-friendly way! Bite-sized guided exercises in the tool pros use, and no setup headaches. Based on the trusted Rust book and adapted from Rustlings.
In-IDE learning
C++ Basics
C++ programming is a superpower! Master memory management, build fast programs, and create a 2D game from scratch. No experience needed—this course makes C++ fundamentals beginner-friendly and fun.
In-IDE learning
100 Exercises to Learn Rust
Master Rust with Luca Palmieri’s 100 expert-designed exercises, now powered by RustRover. Learn ownership, lifetimes, and traits while building production-ready IDE skills for real-world development.
In-IDE learning
Kotlin Onboarding 1: Introduction
Kotlin makes coding easier—see for yourself! Develop console games and playful apps from day one with no experience, in a professional IDE tailored for a stress-free, step-by-step learning experience.
In-IDE learning
Mastering Python Libraries – NumPy
Tame messy math with NumPy, the Python library that powers AI, data science, and high-speed computing. Slice arrays, crunch numbers, and build real-world skills in a learner-friendly, professional IDE.
In-IDE learning
Introduction to Machine Learning
Train your brain to train machines. Build your first ML models from scratch—from simple classifiers to neural networks—with hands-on coding, a bit of Python, and a guided IDE built for learners.
In-IDE learning
Tour of Go
Build backend skills with Go—the language behind Docker and Kubernetes. Learn syntax, interfaces, and concurrency step by step in a guided IDE. Perfect for learners with basic programming experience.
In-IDE learning
Algorithmic Challenges in Kotlin
From easy puzzles to dynamic programming marathons—solve Kotlin challenges with real-time IntelliJ feedback and Big-O insights. Master brute force, greedy, binary search, and DP in bite-sized units.
In-IDE learning
Scala Tutorial
Real-world systems—from Netflix to Coursera—run on Scala’s elegant blend of object-oriented and functional design. Master it with your Java, Kotlin, or Python experience and elevate your engineering mindset.
In-IDE learning
Introduction to JavaScript Programming
Ready to speak the language of the web? Learn JavaScript with clear, bite-sized lessons in a beginner-friendly IDE. No overload—just real-world skills, smart practice, and smooth progress.
In-IDE learning
Mastering Python Libraries – Pandas
Think in tables, not loops. Learn Pandas—the library used by analysts, scientists, and engineers to clean, reshape, and analyze real-world data in Python.
In-IDE learning
Kotlin Onboarding 2: Object-Oriented Programming
Build more than just code—build structure. This hands-on Kotlin module introduces object-oriented programming through guided, creative projects like a Memory Trainer. Ideal for learners with basic Kotlin.
In-IDE learning
AMazing Python Adventure: Create a Maze with DFS
Build your first maze step by step—start with a single cell, warm up with simple loops, then implement recursive DFS and visualize it live. Learn Python OOP, recursion, and NumPy in bite-sized challenges.
In-IDE learning
Practical IDE Code Refactoring in Kotlin
Learn to write cleaner, more maintainable Kotlin code using JetBrains IDE refactoring tools. Build professional habits that make your codebase scalable and easy to evolve.
In-IDE learning
Reinforcement Learning: Building an AI Maze Solver
Escape the maze—with code and reinforcement learning. Train a Python agent using Q-learning, rewards, and trial-and-error logic. Ideal for beginners in AI, game dev, or algorithmic thinking.
In-IDE learning
Kotlin Coroutines and Channels
Discover how to use coroutines in IntelliJ IDEA to execute network requests efficiently, preventing thread blocking and callback-based complexities. Ideal for Kotlin devs going pro.
In-IDE learning
Automated UI Testing with Selenium and Python
Skip the manual clicks. Write Python code that drives browsers, fills forms, and catches UI bugs before users ever see them—with industry-trusted tools like Selenium and pytest. Ideal for QA engineers and Python developers.
In-IDE learning
Functional Programming in Scala
Master functional programming in Scala with pure functions, immutability, pattern matching, and higher-order thinking. This hands-on course is for developers who know Scala basics and want to write safer, testable, and scalable code.
In-IDE learning
Full-Stack JavaScript for Beginners
Build a real-time chat app for your portfolio while mastering full-stack web development! Learn Node.js, Express.js, and React. Hands-on and easy to follow—ideal for beginners.
In-IDE learning
Java Code Refactoring: Improving Code Quality in Your IDE
Write cleaner Java code with IntelliJ IDEA. Learn to rename, extract, move, and restructure code safely and confidently. Perfect for developers who care about clean, lasting code.
In-IDE learning
Machine Learning 101 - RU
This is an introductory Machine Learning course in Russian. The course is currently in an early access state. Курс Machine Learning 101 (Введение в машинное обучение) находится на стадии разработки. Представленные материалы будут в дальнейшем улучшены и дополнены. Мы будем рады обратной связи, которая поможет курсу стать лучше! Данный курс рассказывает о базовых понятиях и алгоритмах машинного обучения – от простейших классификаторов до нейронных сетей. Во время обучения вам будет предложено самостоятельно реализовать алгоритмы , шаг за шагом погружаясь в решение одной из задач. Каждый урок может быть пройден независимо от остальных, однако для полного погружения мы рекомендуем последовательное прохождение уроков.
In-IDE learning
Data Visualization with Python
Learn to visualize data and present it with confidence. Build charts using Python, Matplotlib, and Seaborn—from line plots to heatmaps. Beginner-friendly, hands-on, and career-relevant.
In-IDE learning
Building a Flask App with Microservices
Build more than a Flask app—build a backend system. Create microservices, an API gateway, and deploy it all with Docker Compose. Perfect for beginners ready to take the next step in backend development.
In-IDE learning
Kotlin Onboarding 3: Collections
Stack your ducks, sort your photos, feed your Tamagotchi—and master Kotlin collections along the way. Learn to filter, group, and transform data through real, runnable projects. Beginner-friendly.
In-IDE learning
Mastering Large Language Models
Learn to build, fine-tune, and extend Large Language Models (LLMs) – from NLP fundamentals to Retrieval-Augmented Generation and practical AI applications.
In-IDE learning
Developing IntelliJ IDE Plugins with Kotlin and PSI
Build a tool that solves your everyday developer pains—a custom JetBrains IDE plugin. Learn Kotlin and PSI to create extensions that automate tasks, refactor code, and enhance your productivity.
In-IDE learning
Kotlin for Java Developers
Assignments for Coursera Kotlin for Java Developers course
In-IDE learning
Build a Game with an AI Coding Agent
Build a 3D browser game step by step – with the help of an AI coding agent. In this project-based course, you'll plan, build, and polish a complete game inside WebStorm, using AI coding agents to turn ideas into working code. Follow the story of Tode the Frog, or customize the visuals and make the game your own. No grades – just hands-on building and your creativity.