
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
YouTube VR
Netflix
BBC Taster VR
Electronauts
Firefox Reality
Virtual Desktop
VRTM
A new operating system beyond the limits of your monitor

Which is more popular?
Based on our record, HackerRank seems to be a lot more popular than VR-OS. While we know about 67 links to HackerRank, we've tracked only 4 mentions of VR-OS.
Website, pricing, platforms and company facts side by side.
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VR-OS
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| Website | hackerrank.com | matthaeuskrenn.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
HackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
No analysis of VR-OS yet.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
VR-OS: Full Demo
How often each product is chosen within a category, 0–100% relative to the other.

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

What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
HackerRank’s challenges cover a wide range of topics and difficulty levels, allowing developers to enhance their problem-solving skills and learn new algorithms and data structures. The competitive nature of...
HackerRank offers a wide array of challenges across various domains such as algorithms, mathematics, SQL, and functional programming. Its interface is user-friendly, and the platform provides detailed feedback on...
We have no reviews of VR-OS yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice... Source: almost 3 years ago
I'm trying to build a very simple version of an OS for myself. I'm currently designing a mock version of it in Unity. Take this popular example as reference: https://matthaeuskrenn.com/vr-os/. Source: over 3 years ago
Check out Mattheus Krenn's VR-OS It's one of the projects built around a fully VR GUI for computing. Instead of monitors, the idea is you just use a headset. Source: over 4 years ago
While searching for a better workflow, I stumbled upon this prototype called VR-OS (https://matthaeuskrenn.com/vr-os/). What really stuck with me is the idea of distinguishing between the free floating space (360° to place your windows),... Source: almost 5 years ago
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