
CertKit.io
Certify The Web
ExpiryPulse.dev
SSL Alerts
CertsMonitor
GuardSSL.info
DigiCert CertCentral
Get notified before your SSL certificates expire

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 more popular. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | certmon.net | hackerrank.com |
| Pricing | — | |
| Company | Startup from the United Kingdom | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Keep track of all your SSL certificates in one place. Certificate Monitor will check the validity of your SSL certificates and send you notifications when they are about to expire, giving you advance warning to renew them avoiding an outage of your website or service.
No description of HackerRank yet.
What each product offers, as listed by its team.


No features have been listed yet.
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.


As answered by people managing Certmon.net and HackerRank.
Certmon.net's answer
A simple service with no upsell.
Certmon.net's answer
Certmon.net's answer
As founder and developer I have built many web services. They are hosted on different platforms depending on my needs. This means I have different SSL certificates all over the place issued by various vendors and keeping track of when they expire was a nightmare. I decided to build Certificate Monitor to constantly keep an eye on my certs and alert me when they are due to be renewed.
Certmon.net's answer
Certificate Monitor does one thing well - it keeps on eye on your SSL certificates and let's you know when they are about to expire. There is no bloat to the product with unnecessary features and complicated settings and options. Paste your domain name and let Certificate Monitor do the rest.
Share your experience with using Certmon.net 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 Certmon.net 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.


Tracking Certmon.net since Jun 2024.
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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Practice and level up your development skills and prepare for technical interviews.
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Certify The Web provides a simple way to use Let's Encrypt and other ACME CAs on Windows and IIS, with an easy to use UI. Advanced users can use powerful Deployment Tasks and custom scripting for more complex automation scenarios.
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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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Never get caught by an expired cert, token, or license again. One dashboard, automated alerts, free to start.
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CodeSignal is the leading assessment platform for technical hiring.
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