Alternatives to CheckIO

HackerRank

HackerRank is a platform for software and application developers to evaluate and improve their coding skills. It offers challenges, coding competitions, and practice for a variety of programming languages, including Java, Python, SQL, C, C++, and more. It also provides users with...

CodeCombat

CodeCombat is a game-based platform that teaches kids how to code in the languages of JavaScript, Python, and Lua. By playing through levels and completing challenges, students learn the fundamentals of programming, including syntax, problem solving, debugging, and more. The game...

exercism

Exercism is an open source, free platform that provides developers of all backgrounds with an opportunity to practice and improve their coding skills. It offers an array of coding exercises and challenges in a variety of different programming languages. Exercism also provides use...

Codewars

Codewars is an online coding platform that allows users to practice and improve their coding skills. It offers challenges ranging from beginner to expert levels, and users can practice coding in various languages, including JavaScript, Python, Ruby, Swift, Java, and C#. The platf...

CodeSignal

CodeSignal is a comprehensive platform that provides development tools and applications to help improve the performance of software developers. Its features include a wide range of coding tasks, real-time coding challenges, and automated assessments. The platform also offers a co...

CodinGame

CodinGame is an online platform for developers and gamers alike. It provides an interactive way to learn coding, practice, and compete with peers. The platform offers a wide range of challenges and puzzles that can be solved by coding. The challenges range from simple coding exer...

BitDegree

BitDegree is a blockchain-powered platform that provides users with access to a wide range of cryptocurrency and blockchain-based courses, tutorials, and educational programs. It is designed to help users learn about cryptocurrencies and blockchain technology, as well as to take ...

Edabit.com

Edabit.com is an online platform designed to help users learn and practice coding and software development. The platform provides users with access to a variety of coding tutorials, challenges and quizzes designed to help them improve their coding skills. Users can also practice ...

Code Arcade

Code Arcade is an online development software and applications platform that allows users to create, develop and share their own applications and software. It provides an easy-to-use graphical user interface (GUI) for users to quickly create applications and software with minimal...

Ruby Warrior

Ruby Warrior is an interactive platform that teaches users Ruby programming in a fun, game-like environment. It is designed to help users build the skills they need to become proficient Ruby programmers. The game consists of a series of levels, each with its own unique challenge....

interactive ruby teacher (gamification-assignments)

alfill

Screeps

Screeps is a real-time strategy game for programmers, where the core mechanic is programming your units’ AI. You control your colony by writing JavaScript which operate 24/7 in the single persistent real-time world filled by other players on par with you. Players create and mana...

Codeeval

Codeeval is a web-based platform that provides a wide range of programming challenges and coding tests to help companies assess the technical skills of software developers and evaluate their job candidates. It provides a variety of coding challenges and coding tests in different ...

LeetCode

LeetCode is an online platform that helps software engineers and developers prepare for technical interviews and coding challenges. It provides an extensive library of coding problems, complete with real-world examples and solutions, as well as an online coding environment where ...

Vim Adventures

Vim Adventures is an interactive educational game designed to help users learn the Vim text editor. It features an immersive 3D environment that encourages users to explore and discover the power of Vim. The game follows an adventure story, where the user has to complete various ...

Geektastic

Geektastic is an online software and application development platform designed for both experienced and novice developers. It provides a user-friendly interface for creating and managing projects, as well as powerful tools for developing mobile and desktop applications. With Geek...

Kattis

Kattis is an online programming platform that enables users to solve challenging programming problems. It provides an interactive environment for users to write, compile, and test their code. Users can also collaborate with other users to solve problems and submit their solutions...

Codier

Codier is an online education and reference application which provides users with access to a range of interactive content, including tutorials, quizzes, and practice tests. It is designed to help students and professionals learn and improve their knowledge of technology, coding,...

Hackerearth

Hackerearth is an online platform that provides development software and applications for developers to hone their programming skills. It provides resources such as tutorials, challenges, and online coding competitions. It offers challenges in a variety of programming languages, ...

CheckIO

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