
Plain Org
Logseq
Orgzly
Orgro
BrainTool
organice
Org mode
A habit tracker that's mindful of your time, data, and privacy

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.

Which is more popular?
Based on our record, HackerRank should be more popular than Flat Habits. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | flathabits.com | hackerrank.com |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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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.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


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External articles and on-site reviews we used to compare the two products.


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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...
Recommendations tracked on public social media and blogs since March 2021.


I’ve built a handful of org based iOS apps. While my initial intention was to bring as much org support to iOS as possible (https://plainorg.com), my thinking evolved over time and I gravitated towards a different kind of... - Source: Hacker News / 8 months ago
- https://xenodium.com/an-ios-journaling-app-powered-by-org-plain-text - Lately, I'm having a go at building a privacy-focused plain-text-based iOS journaling app. I starte building it for someone important in my life but now using it... - Source: Hacker News / almost 3 years ago
After reading "Atomic Habits", I tried a bunch of iOS habit trackers and none of them worked for me. They often wanted me to log in, had a social component, a game, analytics, or some form of lock-in. In the end, I built my own without... - Source: Hacker News / about 3 years ago
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
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