
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.

Snyk
Quick License Manager
Open iT LicenseAnalyzer™
LicenseSpring
VIZOR
SCANOSS
WhiteHat Security
Organizations worldwide use Black Duck Software's open source management and security solutions to ensure security in their applications and containers.About · We're Hiring!

Which is more popular?
Based on our record, HackerRank seems to be more popular. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | hackerrank.com | blackduck.com |
| 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.
No analysis of Black Duck yet.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
Black Duck 4Elements Seat Covers Review
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and Black Duck. 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...
Black Duck is an open source management solution that discovers all open source in your code. Vulcan integrates with Black Duck to prioritize and fix security findings across open source components.
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
Tracking Black Duck since Mar 2021.
When comparing HackerRank and Black Duck, you can also consider the following products.

Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to HackerRank or Black Duck:

Snyk helps you use open source and stay secure. Continuously find and fix vulnerabilities for npm, Maven, NuGet, RubyGems, PyPI and much more.
Compare Snyk to HackerRank or Black Duck:

Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Compare Codility to HackerRank or Black Duck:

Quick License Manager (QLM) is a license protection framework that creates professional and secure license keys to protect software against piracy.
Compare Quick License Manager to HackerRank or Black Duck:

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to HackerRank or Black Duck:

Align engineering software resources with business needs to reduce expenses
Compare Open iT LicenseAnalyzer™ to HackerRank or Black Duck: