
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.

Flash Player 2021
SuperNova Player
X (Twitter)
Newgrounds Player
CheerpX for Flash
Ruffle
Gnash
Open-source re-implementation of Silverlight on modern browsers using WebAssembly.
Which is more popular?
Based on our record, CheckIO should be more popular than OpenSilver. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | checkio.org | opensilver.net |
| 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
No analysis of OpenSilver yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
No OpenSilver 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 OpenSilver. 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 OpenSilver 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
- XAML autocompletion, AI error fixing, split editor views The visual designer is the differentiator: 100+ drag-and-drop controls for building UIs. But the NuGet and sharing features work even if you ignore the designer entirely and just... - Source: Hacker News / 7 months ago
Beside already mentioned, there is OpenSilver[1]. Supports Silvelight and WPF. Renders to DOM+WASM. They are also planning support for MAUI. [1] https://opensilver.net/. - Source: Hacker News / 10 months ago
I would also say that IF blazor worked on a browser plugin like silverlight did, today that's not the case it is built on the webassembly standard which and it is being adopted in the browsers which means once it gets on the web, it is... - Source: dev.to / over 2 years ago
When comparing CheckIO and OpenSilver, you can also consider the following products.


Want to fix "This plugin is not supported" and "Adobe Flash Player is blocked" error messages? This extension will remove those messages and allow you to play Flash in any website with a single click.
Compare Flash Player 2021 to CheckIO or OpenSilver:

Download and solve practice problems in over 30 different languages.
Compare Exercism to CheckIO or OpenSilver:
SuperNova Player allows systems to play .SWF files in a standalone player launched from any browser.
Compare SuperNova Player to CheckIO or OpenSilver:

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

Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Compare X (Twitter) to CheckIO or OpenSilver: