
Codecademy
Exercism
Treehouse
edX
LeetCode
Coursera
Pantheon
Achieve code mastery through challenge.

f.lux
Midnight Lizard
Night Eye
Stylebot
Stylus
Darkness: Beautiful Dark Themes
Amino Editor
Reduce eye strain in your browser with this extension that provides a dark theme for browsing.
Which is more popular?
Dark Reader might be a bit more popular than Codewars. We know about 198 links to it since March 2021 and only 160 links to Codewars.
Website, pricing, platforms and company facts side by side.
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| Website | codewars.com | darkreader.org |
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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
Codewars is recommended for beginner to advanced programmers who enjoy learning through practice and are interested in improving their algorithmic thinking and coding skills in a gamified environment. It is particularly beneficial for those preparing for coding interviews or seeking to reinforce their programming knowledge in a fun and interactive way.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Dark Mode for Google Chrome — Dark Reader
How often each product is chosen within a category, 0–100% relative to the other.


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


Edabit offers a learning experience similar to learning a new language, focusing on smaller and more frequent exercises that build proficiency over time. Like Codewars, Edabit provides many challenges that increase in...
In conclusion, while Leetcode remains a valuable resource for coders, the platforms listed above offer varied approaches to learning and improving coding skills. Whether you're drawn to the gamified learning...
This LeetCode alternative has excellent features for anyone looking to sharpen their coding skills. Codewars uses kata, which are small coding exercises that are community developed to help you master your language of...
I live for dark mode. Anyone who’s worked with me knows how much I reject working in light mode. Seriously, I don’t know how you light-moders stay relaxed with so much brightness. That said, when it comes to browsing...
Using an on-demand dark styles theme generator, this eye-care extensions for google chrome turns on night mode for web pages. Bright color are turned into high contrast, easy-to-read hues at night thanks to Dark Reader.
Dark Reader also provides you with other controls that let you tweak your display however you want. They allow you to change any website’s brightness, contrast, font, and other display elements. You can also store the...
Recommendations tracked on public social media and blogs since March 2021.


Recently, I was working on a coding kata on codewars.com. Early on, I started thinking that a potential solution might utilize recursion, a concept that involves a function calling itself. However, I quickly realized that my grasp of... - Source: dev.to / almost 3 years ago
Get more involved. Look into internships and junior SWE positions to get a sample of what you'd be applying for once you graduate. Solve coding challenges, start working on a portfolio of your personal works. I recommend codewars.com for... Source: almost 3 years ago
I'd recommend to play around with some basic coding challenges on leetcode.com or codewars.com. If the course prepared you well you won't find this useful, but playing around with them will make sure that you are comfortable with basics... Source: about 3 years ago
Firefox desktop and mobile let you install addons like https://darkreader.org/ which work great. - Source: Hacker News / about 13 hours ago
Install Darkreader, enable Light mode https://darkreader.org/ I think most users are capable of that :). - Source: Hacker News / 10 months ago
Yes. There's a reason that https://darkreader.org/ has 10 million+ installs while no inverse extensions even exist to my knowledge. The entire web is already light-mode first and much of it, including your site (no offense) offers zero... - Source: Hacker News / 10 months ago
When comparing Codewars and Dark Reader, you can also consider the following products.

Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
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f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.
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Download and solve practice problems in over 30 different languages.
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Accessible color schemes for all websites
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Treehouse is an award-winning online platform that teaches people how to code.
Compare Treehouse to Codewars or Dark Reader:

Night Eye is a browser extension that enables dark mode on any website you visit. It does not ruin your browsing experience by simply inverting images.
Compare Night Eye to Codewars or Dark Reader: