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 101–120 of 1,000 ranked alternatives.
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Muhammad Mubeen
, build projects, master skills
With interactive lessons and coding exercises. Build web applications using frameworks like Django and Flask. Explore data analysis with pandas and visualization with matplotlib.
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.
Coding & Fitness Inc
With Ethical Hacking, C, C++, Python, Java
Through courses in Ethical Hacking, C, C++, Python, and Java. Access structured lessons and practice exercises. Track progress and receive feedback. Export snippets and share projects. Sync learning history across devices.
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Faisal Memon
And build web apps
& Web Development allows users to study HTML, CSS, and fundamentals. They can progress to advanced topics like React and modern web development. The enables coding practice, project building, and skill tracking.
Jinan Matrix Information Technology Co., Ltd.
Debug structures in real time
Learn linear structures like arrays, linked lists, queues, and stacks. Explore tree structures including binary trees and binary search trees. Dynamically debug structures and visually observe changes during operations.
SOFTBOOM SRL SEMPLIFICATA
Prepare for the official license test.
The app offers official 2026 license test quizzes with a clear study path. It includes a theory manual, topic-specific quizzes, error review, and progress statistics to prepare for the exam.
Fedor Obraztsov
Explore samples and operations
Provides samples for Swift, Java, JavaScript, Python, Rust, PHP, C#, C++, Golang, TypeScript, Kotlin, Ruby, and SQL. Includes over 300 examples per language. Offers tested snippets from books and online resources.
Brian Mason
Practice algorithms and data structures
Practice algorithms and data structures through gamified Leetcode exercises. Track progress with daily challenges and streaks. Earn rewards and level up by solving problems. View detailed solutions and explanations.
Rational Matter Ltd
Python with interactive coding labs
Coding with interactive labs and an on-device Python IDE. Run without setup or internet. Access tutorials on syntax, variables, functions, loops, data analysis, visualization, web scraping, networking, XML/JSON parsing, and machine learning.
uCertify LLC
Learn anytime, access courses on-the-go
Access courses, labs, and test prep tools for higher education, vocational, and corporate training. Track progress, complete interactive lessons, and earn certifications. Sync learning across devices and receive instant feedback on assessments.
Cloudbit d.o.o.
Write, run, and debug code offline
Run and TypeScript code offline using a built-in compiler. Execute code in a WebView with a console for debugging. Edit, compile, and test scripts without internet or server connection. Transpile TypeScript to locally.
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.
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