
Codewars
Exercism
CodinGame
LeetCode
CodeCombat
HackerRank
Google's Python Class
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.

Android
LineageOS
CalyxOS
GrapheneOS
Ubuntu Touch
Mobian
postmarketOS
/e/ is a fork of LineageOS that aims to be completely free of everything Google.

Which is more popular?
Based on our record, CheckIO should be more popular than e.foundation /e/. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | checkio.org | e.foundation |
| 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.
Intro Video. How to get maximum from CheckiO
No e.foundation /e/ videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


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


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...
/e/ OS is completely open-source and has been developed by the non-profit /e/ Foundation which is based in France. Currently, it supports more than 240 smartphone models which include popular Samsung phones and some...
/e/ is in active development and you can try to install it on a range of devices already. You can even buy refurbished devices preinstalled with /e/. That is one of the several ways of supporting the /e/ project.
Recommendations tracked on public social media and blogs since March 2021.


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: about 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
Yes and it has already been done: https://e.foundation/. - Source: Hacker News / 12 months ago
You might also check out /e/OS - https://e.foundation/ It's less hardened than Graphene, but more user-friendly (IMHO) and similarly avoids Google spyware. - Source: Hacker News / almost 2 years ago
> ...like LineageOS. But installing it is so difficult that only 1% of people have the technical know how to even attempt it... Aside: there is also /e/OS (or MurenaOS - their naming is inconsistent). It is basically LineageOS that... - Source: Hacker News / over 2 years ago
When comparing CheckIO and e.foundation /e/, you can also consider the following products.


Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Compare Android to CheckIO or e.foundation /e/:

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

Operating system for smartphones and tablet computers, based on the Android
Compare LineageOS to CheckIO or e.foundation /e/:

CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.
Compare CodinGame to CheckIO or e.foundation /e/:
Privacy-focused operating system for smartphones based on Android and microG
Compare CalyxOS to CheckIO or e.foundation /e/: