
Intruder
Acunetix
Censys
Horangi
Nessus
PracticeProtect
Invicti (formerly Netsparker)
Shodan is the world's first search engine for Internet-connected devices.

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

Which is more popular?
Based on our record, Codewars should be more popular than Shodan. It has been mentioned 160 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | shodan.io | codewars.com |
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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
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.
Walkthroughs and reviews on video.
Searching the Internet with Shodan (Seen in Mr. Robot)
More videos
Codewars Review & Tips
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


We have no reviews of Shodan yet. Be the first one to post
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...
Recommendations tracked on public social media and blogs since March 2021.


If you have a premium Shodan[0] account, they have an ‘Images’ view which is filtered VNC and other Remote Desktop screenshots and links to view them directly with the IP. Lots of security cameras, some SCADA industrial access control... - Source: Hacker News / 6 months ago
Transform OSINT sources such as shodan, bgpview & urlscan into templates which you can use to query & store any and each of the API endpoints they provide. Source: about 3 years ago
I'm a little surprised you're asking this but as you don't know - if you set the rulebase correctly, you won't get hammered by "public". A lot of people (of course not people here) don't do that which is why shodan.io is full of servers... Source: about 3 years ago
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
When comparing Shodan and Codewars, you can also consider the following products.

Intruder is a security monitoring platform for internet-facing systems.
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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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Audit your website security and web applications for SQL injection, Cross site scripting and other...
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Download and solve practice problems in over 30 different languages.
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Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.
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Practice and level up your development skills and prepare for technical interviews.
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