Alternatives and competitors
Sites like LeetCode
The 20 closest coding interview preparation alternatives to LeetCode, ranked by what they actually offer, and the 7 technologies behind it.
Looking for an alternative to LeetCode? The closest matches are GeeksforGeeks, Codecademy and W3Schools. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.
- Neighbours
- k = 20
- Sites searched
- 4,032
- Vector
- 384-d
- Query
- 8 ms
01 · Entity
About LeetCode
LeetCode leetcode.com
Wikidata: online platform for coding interview preparation
Summary by Claude
An online collection of algorithmic and data structure programming problems with an in-browser code editor and automated judging, used to practice for technical job interviews, plus coding contests and discussion forums.
- Who it’s for
- Software engineers and job seekers
- Business model
- Freemium subscriptions
02 · Embedding space
Competitor map
Each alternative by how close its vector is to LeetCode’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.
similarity × popularity
03 · Nearest neighbours
Alternatives to LeetCode
Thumbs up if it’s a real alternative to LeetCode, thumbs down if it isn’t.
We can’t read leetcode.com’s homepage (bot protection page), so it’s compared on what Wikidata and Wikipedia say about it.
- 01
GeeksforGeeks | Your All-in-One Learning Portal
Your All-in-One Learning Portal. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.
- Amazon SES
- Google Search Console
- Google Workspace
- Amazon CloudFront
- Google Ads conversion tracking
- Google Analytics
Very close cos 0.938 - 02
Learn to Code - for Free | Codecademy
Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).
Very close cos 0.920 - 03
W3Schools Online Web Tutorials
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Very close cos 0.919 - 04
Brilliant | Your Personal Tutor for Math and Coding
Visual, interactive tutoring in math and coding, from 5th grade through college. Master concepts in algebra, calculus, Python, computer science, and more.
Very close cos 0.912 - 05
DEV Community
A space to discuss and keep up software development and manage your software career
Very close cos 0.906 - 06
SurveyMonkey: The World’s Most Popular Survey Platform
Easily create surveys and forms with AI and templates for employee and customer feedback, market research, event registrations and more. Get started free.
Very close cos 0.901 - 07
AI App and Website Builder | Replit
Describe what you want. Replit builds it. Get a working app or website in minutes. No coding required.
Very close cos 0.899 - 08
Client Challenge
non-profit educational organization
Very close cos 0.900 - 09
Captcha Challenge…
online studying platform
Very close cos 0.896 - 10
Canva
online graphic design platform
Very close cos 0.894 - 11
website for professional and enthusiast programmers
Close cos 0.894 - 12
Semrush: Your Unfair Advantage for Growing Brand Visibility
Semrush is the leading platform to grow and measure brand visibility across AI search, SEO, PPC, social, and more.
Close cos 0.893 - 13
website for testing and showcasing HTML, CSS and JavaScript
Close cos 0.886 - 14
Perplexity
Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.
Close cos 0.888 - 15
Wolfram|Alpha: Computational Intelligence
Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…
Close cos 0.888 - 16
OpenCode | The open source AI coding agent
OpenCode - The open source coding agent.
Close cos 0.887 - 17
Security Check - Indeed.com
American worldwide job listing search engine
Close cos 0.887 - 18
IXL | Math, Language Arts, Science, Social Studies, and Spanish
IXL is the world's most popular subscription-based learning site for K–12. Used by over 18 million students, IXL provides personalized learning in more than 20,000 topics, covering math, language arts, science, social studies, and Spanish. Interactive questions, awards, and certificates keep kids motivated as they master skills.
Close cos 0.887 - 19
Figma: The collaborative canvas for design, code, and AI
Figma is the canvas where design, code, and AI come together. From first idea to shipped product — go from concept to production with your whole team, in one place.
Close cos 0.886 - 20
web.dev
Guidance to build modern web experiences that work on any browser.
Close cos 0.885
Ranked by score: the cosine similarity of each site’s vector to leetcode.com’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones LeetCode uses too. Votes and comments come from visitors and don’t change the ranking.
04 · Fingerprints
Technology
What LeetCode is built with, and what its closest competitors use, from its homepage’s code and its DNS records.
Built with
- Live chat & support
- Zendesk TXT v=spf1 include:amazonses.com include:_spf.google.com include:mail.zen…
- CDN
- Cloudflare header cf-ray: a5631b9038545865-HAM
- Email hosting
- Google Workspace MX aspmx.l.google.com
- Email delivery
- Amazon SES TXT v=spf1 include:amazonses.com include:_spf.google.com include:mail.zen…
- SendGrid TXT v=spf1 include:amazonses.com include:_spf.google.com include:mail.zen…
- DNS hosting
- Cloudflare DNS NS rob.ns.cloudflare.com
- SaaS tools (verified in DNS)
- Google Search Console TXT google-site-verification=ds0HPGUEYOzxPbBHmhQUrjDGv2-jKNpAOYcYK0dhSlw
Stack changes
No changes yet. Each new crawl is compared with the last one, and what LeetCode adds or drops shows up here.
What competitors use
Across the 20 closest sites.
- Google Search Console 20/20
- Google Workspace 15/20
- Apple Business · not on leetcode.com 14/20
- Microsoft 365 · not on leetcode.com 12/20
- OpenAI · not on leetcode.com 12/20
- Cloudflare 11/20
- Cloudflare DNS 11/20
- Zendesk 9/20
- Atlassian · not on leetcode.com 8/20
- Meta Business Suite · not on leetcode.com 8/20
- Next.js · not on leetcode.com 7/20
- React · not on leetcode.com 7/20
- OneTrust · not on leetcode.com 7/20
- Amazon Route 53 · not on leetcode.com 6/20
- SendGrid 6/20
- Adobe · not on leetcode.com 6/20