
HackerRank
LeetCode
CodeForces
AlgoExpert.io
Coderbyte
Codewars
Interview Cake
CodeChef is a not-for-profit educational initiative by Directi, an Indian software company. It is a global programming community that fosters learning and friendly competition, built on top of the world’s largest competitive programming platform.

Which is more popular?
Based on our record, Obsidian seems to be a lot more popular than Codechef. While we know about 1526 links to Obsidian, we've tracked only 7 mentions of Codechef.
Website, pricing, platforms and company facts side by side.
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| Website | codechef.com | obsidian.md |
| Pricing | — | |
| Platforms | — | |
| Company | 2009 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


CodeChef is a not-for-profit educational initiative started by Directi more than a decade ago. We started with a dream of seeing an Indian team winning a gold medal at the ACM ICPC World Finals. In its quest for the same, CodeChef has built a self-driven community of the world's best programmers....
No description of Obsidian yet.
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.


No analysis of Codechef yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
In depth analysis of leetcode, codechef and codeforces | LEETCODE VS CODECHEF VS CODEFORCES IN HINDI
More videos
OBSIDIAN: Getting Started, Facts & Pricing
How often each product is chosen within a category, 0–100% relative to the other.


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


CodeChef is a competitive programming platform that offers practice problems, coding contests, and learning resources. It provides coding challenges, practice assistance, and exclusive practice paths to improve coding...
CodeChef is a platform that lets you practice, compete, and learn. You will get access to programs for beginners to experienced programmers. There are more than 3,000 problems available on the platform that vary in...
CodeChef offers coding challenges for free and connects you to the vast community of programmers. Moreover, they even do it all for free! Therefore, CodeChef is considered as one of the best LeetCode alternatives out...
One thing to note: Notion bills itself as an Evernote competitor for personal users. It can be—but it's too much for most people, and its offline functionality isn't the best. If you love the idea of Notion, go right...
This app is the kind of thing that, if you’re into it, will have you exploring its various ins, outs, and add-ons for days and weeks on end. Obsidian uses the Markdown format for its notes (which means they can be...
However, it's important to note that Obsidian's whiteboard functionality is not as robust as dedicated collaboration tools. While it lacks real-time basic collaboration features, Obsidian compensates with its vibrant...
Recommendations tracked on public social media and blogs since March 2021.


Have you heard of codeforces.com, atcoder.jp, codechef.com, etc? Source: almost 3 years ago
Leetcode is good to learn basic algorithms because problem statements are usually straightforward. Competitive programming has much wider range of problems. Most popular sites for cp are codeforces.com , atcoder.jp, codechef.com . Source: almost 3 years ago
Learn Java with hands-on experience. I personally used codingbat.com a lot, but I've heard good things about codechef.com, which appears to even have a competitive option. Source: over 3 years ago
For note-taking, I recommend Obsidian. It's lightweight, has a large community, and offers plenty of useful plugins. I use the Timekeep plugin myself, which helps me connect tasks with the time spent on them. - Source: dev.to / 5 days ago
The setup that makes the output noticeably sharper is a memory layer. Connecting a plain-text notes app like Obsidian (free for personal use) gives the agent durable context: what your project is about, who it is for, and what you have... - Source: dev.to / about 2 months ago
The vault is compatible with Obsidian because the files are just Markdown, YAML frontmatter, and standard relative links. - Source: dev.to / about 1 month ago
When comparing Codechef and Obsidian, you can also consider the following products.

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Practice and level up your development skills and prepare for technical interviews.
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Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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Programming competitions and contests, programming community.
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Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
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