congressionalappchallenge.usの競合サイトトップ10

code.org

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scratch.mit.edu

Scratch is a free programming language and online community where you can create your own interactive stories, games, and animations.

github.com

Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

repl.it

Automate the repetitive parts of coding, so you can stay focused on taking your idea to software.

codewars.com

A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!

leetcode.com

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

edabit.com

Our bite-sized challenges are a shortcut through the maze of learning to code. Gain XP, unlock achievements and level up. Get really good at coding, really fast.

coursera.org

Quickly reference essential CSS properties, selectors, and rules with this comprehensive CSS Cheat Sheet. Improve your web design skills with clear examples and descriptions

udemy.com

Udemy is an online learning and teaching marketplace with over 250,000 courses and 73 million students. Learn programming, marketing, data science and more.