
Framadate
Doodle
FullCalendar
Smart Scheduling
Xoyondo
WhenIsGood
Crab Fit
Dudle is an online scheduling application, which is free and open source.

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 DuD-Poll. While we know about 67 links to HackerRank, we've tracked only 3 mentions of DuD-Poll.
Website, pricing, platforms and company facts side by side.
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| Website | dud-poll.inf.tu-dresden.de | hackerrank.com |
| Pricing | — | |
| 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
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.
Senior Softball Bat Reviews ( Dudley Lightning Bobby Nifong)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DuD-Poll 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 DuD-Poll 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.


At least the Ruby-code of https://dud-poll.inf.tu-dresden.de/ is available from https://github.com/kellerben/dudle/. Source: over 3 years ago
Similar to the service of the Technical University Dresden, Germany called Dudle, there is an private and secure alternative called Nuudel, created and hosted by also German association for privacy and freedom of information called... Source: over 4 years ago
Dudle is the most privacy friendly voting application on the web. The only downside is the outdated user interface. Source: almost 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
When comparing DuD-Poll and HackerRank, you can also consider the following products.


Practice and level up your development skills and prepare for technical interviews.
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Make meetings happen. With Doodle, scheduling becomes quick and easy.
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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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FullCalendar is an open-source JavaScript event calendar.
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CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to DuD-Poll or HackerRank: