
Codewars
Exercism
LeetCode
CodinGame
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.

DeskTime
Croissant
Ghost Archive
LoopNet
Trulia
Sacha
BoldLeads
Rent out your free desks to other startups

Which is more popular?
Based on our record, CheckIO seems to be a lot more popular than Spacious. While we know about 46 links to CheckIO, we've tracked only 4 mentions of Spacious.
Website, pricing, platforms and company facts side by side.
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| Website | checkio.org | hubblehq.com |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Spacious yet.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CheckIO and Spacious. 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...
We have no reviews of Spacious yet. Be the first one to post
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
My favourite example of this model is Hubble: https://hubblehq.com/. - Source: Hacker News / almost 3 years ago
You can also try the Boutique co-working space via Hubble (https://hubblehq.com/). I found it was very nice, but deserted. Things may have changed since. Source: over 3 years ago
Laziest way - search hubblehq.com (won't pick up everything). You can even pay them to do the search for you. Source: over 4 years ago
When comparing CheckIO and Spacious, you can also consider the following products.


DeskTime is a real-time automatic time tracking software that tracks and analyzes your productivity by sorting the different applications that you or our employees use into the categories “productive”, “unproductive” or “neutral”.
Compare DeskTime to CheckIO or Spacious:

Download and solve practice problems in over 30 different languages.
Compare Exercism to CheckIO or Spacious:
Unlock the hottest coworking spaces in your city
Compare Croissant to CheckIO or Spacious:

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

An archiver like web.archive.org and archive.is
Compare Ghost Archive to CheckIO or Spacious: