
Quill
Cleartext
MediumEditor
ProseMirror
Draft.js
Sublime Text
Facebook Notes
A rich text editor for everyday writing.

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.

Which is more popular?
Based on our record, CheckIO should be more popular than Trix. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | trix-editor.org | checkio.org |
| Pricing | — | |
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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
Developers and users who need a simple, effective rich text editor that integrates easily into web applications, and who require a no-frills tool for typical text formatting tasks. It's particularly well-suited for small to medium-sized web projects where simplicity and functionality are top priorities.
Overall verdict
Why this product is good
Recommended for
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 Trix 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.


If you want something different for a change, with the basic functionalities of a web editor, Trix can be a pick. The project describes that it is built for the modern web.
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.


It’s actually the opposite, WYSIWYG is better than ever. You just have to seek out the tooling because WYSIWYG isn’t something that everyone benefits from. HyperCard was cool but it had big limitations that made its demise inevitable. It... - Source: Hacker News / 11 months ago
I love how Trix [0] and (I think) ProseMirror [1] work in that regard: it does use contenteditable, but every edit you make is applied to an internal model instead, then the editor state is updated back from the model. [0]:... - Source: Hacker News / almost 2 years ago
💡 If you're using the Trix editor, I also show you how to test your view components with a nice helper inspired by Will Olson's article Testing the Trix Editor with Capybara and MiniTest. - Source: dev.to / about 2 years 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: about 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
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Practice and level up your development skills and prepare for technical interviews.
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