Showing 1–20 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.
Mad Harmony Inc
Tune strings automatically
Tune guitars with auto and manual modes. Auto mode detects played strings and adjusts pitch. Manual mode allows tapping strings for tuning. Features a user-friendly interface for accurate tuning.
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.
Nguyen Thi Hoai Thu
Learn with audio lessons and transcripts
Learn through audio lessons with transcripts and vocabulary lists. Practice with American conversations. Access offline exercises and study materials. Track progress with built-in quizzes and vocabulary reviews.
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.
Starfall Education Foundation
Create and interact with your Me Character
Create and interact with a personalized Me Character. Learn vocabulary through activities like dressing up, choosing pets, and dancing with body parts. Label household objects and identify feelings in community settings.
Nigel Crasto
Compile and run code in multiple languages
Compile and run code in 17 programming languages including Java, Python, C/C++, and JavaScript. Edit and save files directly. View output results instantly. Support for syntax highlighting and error detection.
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.
Nguyen Thi Hoai Thu
Practice conversations and listen to audio
Learn and practice conversations with 18 topics including Communications, Eating, and Fashion. Each topic includes over 1000 audio clips.
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