
HackerRank
Project Euler
Codewars
Exercism
CodeForces
interviewing.io
Coderbyte
Practice and level up your development skills and prepare for technical interviews.

lf (file manager)
Midnight Commander
Krusader
Double Commander
fman
Worker
Vifm
Fast and resource-sensitive file manager for the terminal

Which is more popular?
Based on our record, LeetCode should be more popular than nnn. It has been mentioned 544 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | leetcode.com | github.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
Walkthroughs and reviews on video.
Is A LeetCode Premium Subscription Worth It?
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How often each product is chosen within a category, 0–100% relative to the other.


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


LeetCode is a renowned online platform offering a compendium of coding challenges that enable software developers to sharpen their programming prowess, facilitating their preparation for technical interviews. This...
What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
In the quest for coding excellence, developers often seek platforms that not only challenge their skills but also make the learning process engaging and fun. While Leetcode has been a staple in the coding community...
We have no reviews of nnn yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


General Coding Assessment (GCA): the harder of the two, but manageable with preparation. It's done on CodeSignal, either in person or online. To prepare, practice DSA questions on competitive programming sites like LeetCode, Codewars,... - Source: dev.to / about 1 month ago
Category Tool URL How I used it General AI assistant ChatGPT Https://chatgpt.com Breaking down concepts, simulating interviewers, reviewing answers AI writing / reasoning Claude Https://claude.ai Refining behavioral stories and... - Source: dev.to / 4 months ago
Plain BST. Fine when input is random or the problem doesn't require worst-case guarantees. Tree problems on LeetCode typically assume balanced input and don't ask you to maintain balance yourself. - Source: dev.to / 4 months ago
Which is why I love C projects, even with all the footguns. You have libraries with nice API that lets you write software without being on a treadmill to update the code every few months. [0] https://github.com/jarun/nnn/. - Source: Hacker News / 26 days ago
I had mc on my $20 second hand 286, there are some newer takes on the classic, ranger and nnn come to mind, support for images on the terminal with sixel is pretty neat! https://github.com/ranger/ranger https://github.com/jarun/nnn. - Source: Hacker News / 7 months ago
I use https://github.com/jarun/nnn/ with `cd` on quit if I need to scan around manually. Otherwise, zoxide. - Source: Hacker News / over 1 year ago
When comparing LeetCode and nnn, you can also consider the following products.

HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
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Terminal file manager written in Go (programming language).
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Project Euler is a series of challenging mathematical/computer programming problems that will...
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GNU Midnight Commander is a visual file manager, licensed under GNU General Public License and...
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Krusader is an advanced twin panel (commander style) file manager for KDE and other desktops in the *nix world, similar to Midnight or Total Commander.Get your copy of the Krusader .
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