
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.

ExpressJS
Koa.js
hapi.js
FeathersJS
Nest.js
AngularJS
Adonis JS
Realtime MVC Framework for Node.js
Which is more popular?
Based on our record, HackerRank should be more popular than Sails.js. 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 | sailsjs.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.
Overall verdict
Why this product is good
Recommended for
Sails.js is recommended for developers and teams looking to build enterprise-level applications, startups that need to rapidly prototype and iterate on real-time applications, and any development projects that require a powerful, flexible API system. It is especially suitable for small to medium-sized projects that wish to leverage Node.js, and those who appreciate a comprehensive framework that can provide rapid development and robust feature sets.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
Intro to Sails.js Framework for Next-Level Nodejs Backend Apps
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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 Sails.js. 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...
This is another real-time MVC web development Node.js framework created on Express. It builds the latest, data-driven style of APIs and web apps. Sails.js can develop an API bookstore.
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
He's building js apps with https://sailsjs.com ? - Source: Hacker News / 12 months ago
I haven't used either so I can't chime in on that front, but long ago I was pretty into Sails which is written by a team that loves rails, but switched to NodeJS so it's basically Node on Rails. I actually thought they discontinued it,... - Source: Hacker News / over 2 years ago
Sails is a realtime JavaScript framework built on top of Express. Sails offers built-in realtime communication support and a flexible routing system. - Source: dev.to / almost 3 years ago
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Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
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