
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.
Opener
Choosy
Bumpr
Switchbar
Rectangle
OpenIn
Notion
Open links, mails and files in the apps you want

Which is more popular?
Based on our record, HackerRank seems to be a lot more popular than OpenIn.app. While we know about 67 links to HackerRank, we've tracked only 6 mentions of OpenIn.app.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | loshadki.app |
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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 OpenIn.app yet.
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 HackerRank and OpenIn.app. 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 OpenIn.app 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
It doesn’t directly address your concern but you might like https://loshadki.app/openin/. Source: over 3 years ago
Rectangle Pro can do that, if you pair it with advanced bettertouchtool triggers. But I don't think your solution is optimal, it'd be much easier to create a reddit.com webapp with e.g. fluid.app, make so every reddit link is handled via... Source: over 3 years ago
Another way to do it is to use a “browser chooser” app. This is an app that you set as your default browser. It’s not a browser itself, but instead it sends your links to your preferred browser. There are a bunch of these apps. I use... Source: about 4 years ago
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Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
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