
GitLab
BitBucket
VS Code
Git
CodePen
Node.js
Stack Overflow
Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Codewars
Exercism
LeetCode
CodinGame
CodeCombat
HackerRank
Codecademy
CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.

Which is more popular?
Based on our record, GitHub seems to be a lot more popular than CheckIO. While we know about 2498 links to GitHub, we've tracked only 46 mentions of CheckIO.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | checkio.org |
| Pricing | — | |
| Company | Startup from the United States · 500 - 999 employees · 2008 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How to do coding peer reviews with Github
More videos
Intro Video. How to get maximum from CheckiO
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using GitHub and CheckIO. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


GitHub is an essential platform for modern software development. It makes it easy to host, manage, and collaborate on code while providing powerful tools for version control, project management, and team...
GitHub Discussions is a communication forum for the community around an open source or internal project. Discussions enable fluid, open conversation in a public forum. Discussions are transparent and accessible, but...
However, like any (human) product, the platform has its limits, downsides, and critics. GitHub has been barred by certain governments, and even if that isn’t exactly the company’s fault, the users are the ones limited...
CheckiO is a platform with coding games created for different levels of programmers, from beginners to advanced levels. Using fun and engaging methods, you can use coding games to solve challenges in TypeScript and...
CheckIO is available in English and Spanish. The platform was designed by a group of engineers and now has a number of customers all over the globe who may use it to improve their programming speed and abilities by...
Checkio is the most whimsical HackerRank alternative on this list. It’s also focused on two languages: Python and TypeScript. On this site you’ll be thrown into a gamer’s paradise that includes robot mollusks and...
Recommendations tracked on public social media and blogs since March 2021.


Https://example.com/ (HTTP 200) Grade D score 30/100 - MEDIUM risk x error Strict-Transport-Security missing [hsts] x error Content-Security-Policy missing [csp] x error Clickjacking protection missing [frame-options] x error... - Source: dev.to / about 5 hours ago
# Sam Doe — Full-stack developer React, TypeScript, Node.js, PostgreSQL. 4 years shipping SaaS products. **Open to:** remote full-stack roles ## Things I've built - **Invoicer** — multi-tenant billing app (Next.js, Stripe).... - Source: dev.to / 1 day ago
{ "finalUrl": "https://github.com/psf/requests", "statusCode": 200, "redirects": [], "preview": { "title": "GitHub - psf/requests: A simple, yet elegant, HTTP library.", "description": "A simple, yet elegant, HTTP... - Source: dev.to / 3 days ago
Have you heard of CheckIO (https://checkio.org/)? They have a gameified "Mario world" of coding challenges that are smaller and come with more explanation, tests to guide you through edge cases and provide hints. The challenges start... Source: almost 3 years ago
Cyber isn't gonna be a light switch, where you can flip it and be good. Don't be too hard on yourself. Start with some hands on stuff like https://tryhackme.com or checkio.org. You could look at certs like Security+ or CySA+ for some... Source: over 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
When comparing GitHub and CheckIO, you can also consider the following products.

Create, review and deploy code together with GitLab open source git repo management software | GitLab
Compare GitLab to GitHub or CheckIO:


Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Compare BitBucket to GitHub or CheckIO:

Download and solve practice problems in over 30 different languages.
Compare Exercism to GitHub or CheckIO:

Build and debug modern web and cloud applications, by Microsoft
Compare VS Code to GitHub or CheckIO:

Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to GitHub or CheckIO: