
LeetCode
Exercism
Codewars
HackerRank
CodeSignal
CodinGame
CodeCombat
Project Euler is a series of challenging mathematical/computer programming problems that will...

Choosy
Browser Tamer
Hurl - Choose a Browser
Burly.click
LinkSheet
Folge
Finicky
macOS native application for smart link handling

Which is more popular?
Based on our record, Project Euler seems to be a lot more popular than OpenIn. While we know about 415 links to Project Euler, we've tracked only 10 mentions of OpenIn.
Website, pricing, platforms and company facts side by side.
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| Website | projecteuler.net | loshadki.app |
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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
No analysis of OpenIn yet.
Walkthroughs and reviews on video.
Project Euler Challenges 1–4 - Coding Challenges with Florin
More videos
Review of TItans Series Openings!
How often each product is chosen within a category, 0–100% relative to the other.


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


Project Euler provides a large collection of challenges in the domain of computer science and mathematics. The challenges typically involve writing a small program to figure out the solution to a clever mathematical...
If you are studying algorithms and computer programming, chances are you’ve heard of Project Euler. A collection of mathematical problems made for problem solvers who are interested to combine mathematics and...
We have no reviews of OpenIn yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Let's hope this is going to help me solve some more Project Euler [1] problems! [1] https://projecteuler.net/. - Source: Hacker News / 4 months ago
Https://projecteuler.net/ for "Thinker" brain food. (it still has the issue of not being a pragmatic use of time, but there are plenty interesting enough questions which it at least helps). - Source: Hacker News / 7 months ago
I have a Project Euler (https://projecteuler.net/) account. Though I do not register at all on the leader board I will sometimes work obsessively on a problem just to make one of the level icons light up for me. There is not really... - Source: Hacker News / 9 months ago
I do. Macos applications. Generating between 1,000-2,000 USD monthly (so variable because no subscriptions). Obviously this is still a hobby that I am trying to make more sustainable. But this is where I am right now after 3-4 years in... - Source: Hacker News / over 1 year ago
Mac/iOS apps https://loshadki.app Stable between 1000-1500 monthly, depends on the month. - Source: Hacker News / almost 2 years ago
7 years ago I started a site project for forwarding logs and metrics from k8s, docker, openshift in Splunk. It is enterprise offering, and I started making money pretty quick. After 6 months I already made 40k, and quit my employer.... - Source: Hacker News / over 3 years ago
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