
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.

Datadog
Sumo Logic
Logz.io
Splunk
LogicMonitor
Papertrail
Dynatrace
Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.

Which is more popular?
Based on our record, HackerRank seems to be a lot more popular than Graylog. While we know about 67 links to HackerRank, we've tracked only 3 mentions of Graylog.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | graylog.org |
| Pricing | — | |
| Company | — | Startup from the United States · 10 - 19 employees · 2012 |
| Listed in |
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.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and Graylog. 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...
Our last tool but by no means the least is Graylog. It is a log management platform that gathers data from different locations across your network infrastructure.
Graylog is a well-known log management tool because of its services. It provides a user interface just like some other log management tools. Almost all of the provided features are the same other than reading from...
Graylog is a free and open-source log management tool that supports in-depth log collection and analysis. Used by teams in Network Security, IT Ops and DevOps, you can count on Graylog’s ability to discern any...
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
Graylog: Graylog is an open-source platform that provides log management, search, and real-time analysis. It also performs SIEM operations, making it a perfect alternative to Splunk. - Source: dev.to / over 1 year ago
Graylog: Supports various log sources and formats, providing real-time search, analysis, and visualization functionalities. - Source: dev.to / over 2 years ago
Join our new Graylog Community Discord channel for our new chat/call-in show, “All Things Configured”. Our founder, Lennart Koopman, will host the show with Jeff Darrington, Senior Technical Marketing Manager, as his guest. Jeff’s... Source: about 4 years ago
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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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Sumo Logic is a secure, purpose-built cloud-based machine data analytics service that leverages big data for real-time IT insights
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CodeSignal is the leading assessment platform for technical hiring.
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Logz.io provides log analysis software with alerts, role-based access, unlimited scalability and free ELK apps. Index, search & visualize your log data!
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