
LeetCode
Codility
CodeSignal
iMocha
Codewars
HackerEarth
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

Obsidian
Joplin
Typora
Zettlr
Boostnote
Supernotes
Standard Notes
The Markdown-based note-taking app that doesn't suck.

Which is more popular?
Based on our record, HackerRank should be more popular than Notable App. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | notable.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.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and Notable 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...
Notable is a portable, powerful, markdown-based free and open-source note-taking app that works on Linux systems (at the time of writing). It features Zen mode, multi-note editor, split editor, supports tags, import...
Notable is well known for bug tracking ability and its vast no of users keeping note of the discovered bug. It allows clients and web developers to collaborate well and then build the most robust of websites for...
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
And I was confusing it with https://notable.app/. - Source: Hacker News / almost 3 years ago
I tried many note-taking apps and finally settled on Notable[0]. It's simple and you can point it to a folder with markdown files and attachments. Plus, you can just sync the folder using any syncing service, and use Noteless[1] on... - Source: Hacker News / over 3 years ago
I use https://notable.app/ for my notes, backup the notes / setup on a private github repo which I share with the Mac / Linux versions I use. Been working really well. Source: over 3 years ago
When comparing HackerRank and Notable App, you can also consider the following products.

Practice and level up your development skills and prepare for technical interviews.
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A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
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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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Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
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CodeSignal is the leading assessment platform for technical hiring.
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