
HackerRank
Project Euler
Codewars
Exercism
CodeForces
interviewing.io
Coderbyte
Practice and level up your development skills and prepare for technical interviews.

Designer Daily Report
TOOOLS.design
Panda
Off-Grid
RocketDock
a-fresh.website
Design Resources
The five best design links of the day, freshly redesigned

Which is more popular?
Based on our record, LeetCode seems to be a lot more popular than Sidebar. While we know about 544 links to LeetCode, we've tracked only 5 mentions of Sidebar.
Website, pricing, platforms and company facts side by side.
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| Website | leetcode.com | sidebar.io |
| 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
Sidebar is particularly recommended for UI/UX designers, graphic designers, web designers, and other creative professionals who want to keep up with the latest developments in the design world, as well as those looking for inspiration and ongoing education in their field.
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 LeetCode and Sidebar. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


LeetCode is a renowned online platform offering a compendium of coding challenges that enable software developers to sharpen their programming prowess, facilitating their preparation for technical interviews. This...
What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
In the quest for coding excellence, developers often seek platforms that not only challenge their skills but also make the learning process engaging and fun. While Leetcode has been a staple in the coding community...
We have no reviews of Sidebar yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


General Coding Assessment (GCA): the harder of the two, but manageable with preparation. It's done on CodeSignal, either in person or online. To prepare, practice DSA questions on competitive programming sites like LeetCode, Codewars,... - Source: dev.to / about 1 month ago
Category Tool URL How I used it General AI assistant ChatGPT Https://chatgpt.com Breaking down concepts, simulating interviewers, reviewing answers AI writing / reasoning Claude Https://claude.ai Refining behavioral stories and... - Source: dev.to / 4 months ago
Plain BST. Fine when input is random or the problem doesn't require worst-case guarantees. Tree problems on LeetCode typically assume balanced input and don't ask you to maintain balance yourself. - Source: dev.to / 4 months ago
Now one thing is missing for me is Hacker News for design. Something like Designer News which sadly is gone. The close I found is Sidebar[1] but do not have comments section for discussion. 1. https://sidebar.io. - Source: Hacker News / 3 months ago
Sidebar Sidebar.io Daily links to the best design articles. - Source: dev.to / over 1 year ago
I usually go with the followings: Sidebar[0], Kottke.org[1], Waxy[2]. Obviously, Twitter and Hacker News get interesting links first, so typically these 3 websites repost after something becomes famous. [0] https://sidebar.io/. - Source: Hacker News / almost 3 years ago
When comparing LeetCode and Sidebar, you can also consider the following products.

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Project Euler is a series of challenging mathematical/computer programming problems that will...
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A free and growing archive of 900+ design resources, weekly updated for the community.
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A smart news reader built for productivity, powered by integrations.
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