
UMLGraph
Dia
yEd
draw.io
OmniGraffle
LucidChart
CollabNet
The JavaScript toolkit for graph visualization

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 seems to be a lot more popular than KeyLines. While we know about 67 links to HackerRank, we've tracked only 1 mention of KeyLines.
Website, pricing, platforms and company facts side by side.
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| Website | cambridge-intelligence.com | hackerrank.com |
| Platforms | — | |
| Company | 2012 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


KeyLines is a powerful graph visualization SDK for JavaScript developers. From law enforcement to fraud detection and cybersecurity, every day thousands of analysts rely on KeyLines-powered applications to turn their complex graph data into insight. As an SDK, KeyLines lets you build applications...
No description of HackerRank yet.
What each product offers, as listed by its team.


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
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.


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


We have no reviews of KeyLines yet. Be the first one to post
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 am looking for a powerful open-source graph visualization library to use in an upcoming project. This article provides a lot of options, however, most of the open source libraries that I found were no longer being maintained and / or... Source: about 5 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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Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
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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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yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
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CodeSignal is the leading assessment platform for technical hiring.
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