Showing 21–40 of 1,000 ranked alternatives.
Нико Беллик
Test knowledge with coding quizzes
Test knowledge of HTML, CSS, JavaScript, PHP, Java, Python, and C++ with randomized multiple-choice and multi-answer questions. View final score and receive hints for incorrect answers to identify mistakes.
LE SANG
Write and test instantly
Enables typing and testing directly on iPhone or iPad. Supports syntax highlighting and auto-suggestions for multiple programming languages. Includes quick pop-up for operators and customizable themes for light and dark modes.
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.
Coddy, Inc.
Code through interactive lessons
Through interactive challenges in Python, JavaScript, C++, HTML, CSS, and SQL. Write and run code instantly to solve puzzles. Track progress and complete real-world tasks to build practical skills.
Neuron Fuel, Inc.
Teach with interactive lessons
Teach children to code with interactive lessons and step-by-step tutorials. Create and share projects using block-based programming. Track progress and receive feedback. Sync with classroom accounts for teacher oversight.
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.
Ssu-Technology Limited
Learn tech skills and earn certificates
Access tech courses and non-technical training materials anytime. Complete lessons, take quizzes, and earn certificates. Track progress and manage learning goals. Sync learning history across devices.
Coursera, Inc.
Learn with courses and certificates
Access courses, projects, and certificate programs to develop job-relevant skills. Earn credentials from partner universities and companies. Track progress and complete hands-on projects to build practical expertise.
Shahbaz Khan
3 and build projects
3 through structured lessons covering basics to advanced concepts. Write and compile code using an integrated compiler. Build real projects to practice skills. Track progress with bite-sized lessons and exercises.
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