Practice problems and DSA
Access tutorials, practice problems, and articles on Data Structures and Algorithms, Web Development, and technical interview preparation. Track progress with practice exercises and detailed explanations.
Showing 41–60 of 1,000 ranked alternatives.
Sakib Khan
Track progress on coding problems
Track problem-solving progress with detailed notes, tags, and complexity metrics. Add multiple solutions and upload screenshots per problem. Filter and search problems efficiently. Visualize progress across 18 topics. Support dark mode interface.
Shahbaz Khan
And build web apps
Programming from basic to advanced levels including ES6 and ES.Next. Study front-end and back-end frameworks like Angular, React, Vue.js, and Express.js. Access tutorials offline without ads. Track progress and receive updates on new content.
Alok Singh
Learn and structures with interactive examples
Learn and structures through interactive visualizations, code examples, and practice challenges. Execute code in a live playground. Track progress and review solutions for common problems.
Shahbaz Khan
And build web apps
With interactive tutorials and project-based lessons. Complete exercises to practice coding concepts. Access code examples and debug tools. Track progress and review lessons for reinforcement.
![Learn Web Development [Pro] app icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/ea/5d/45/ea5d45f5-fed4-8e52-25c0-8ab01ef37898/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/512x512bb.jpg)
登健 程
Practice coding interview questions anytime
Access and practice interview questions covering Java, concurrency, Redis, Spring, and more. Solve problems in areas like backend development, frontend frameworks, mobile technologies, and computer fundamentals.
SurfScore, Inc
Learn to code with fun activities
Teaches coding through game-based lessons and self-paced activities. Students solve mazes, create games, and explore creative challenges. Includes progress tracking and interactive lessons for pre-readers and readers.
National Center For Open & Distance Education Limited Company
Learn programming skills in real-time
Learn programming and IT skills through structured courses covering HTML/CSS, JavaScript, Swift, Python, and more. Access real-world projects and expert-led tutorials. Track progress and earn certifications.
Shahbaz Khan
And build projects
3 through bite-sized lessons with examples and real projects. Track progress with quizzes and coding exercises. Access course materials and practice coding directly in the . Build skills in web development, machine learning, and data science.
Shahbaz Khan
To code with interactive lessons
To code with interactive lessons and project-based exercises. Write and test code in real-time. Track progress with built-in quizzes and challenges. Export projects and share code snippets. Sync learning history across devices.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.