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Sites similar to decodingchallenge.org

Decodingchallenge alternatives & similar sites

Challenges for code-based problems — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Programming Languages →

DomainMatchTitleCountry/LangCategoryAI filesContactAI-protection
developerschallenges.com 67 match
2 shared topics
Developer's Challenges en technology-and-computing robotsllmsaihumans emailphone none
basedprogrammer.net 67 match
2 shared topics
Based Programmer en programming-languagesWordPressWooCommerce robotsllmsaihumans emailphone none
365git.com 66 match
2 shared topics
365GIT - Code Every Day Challenge 2025 en technology-and-computing robotsllmsaihumans emailphone none
neozino.dev 65 match
2 shared topics
Neo Zino | Tools for Claude Code en technology-and-computing robotsllmsaihumans emailphone none
healthzkit.dev 64 match
2 shared topics
Healthzkit — Liveness & Readiness Probes for Node.js en technology-and-computing robotsllmsaihumans emailphone none
awesome-skills.com 63 match
2 shared topics
Awesome Claude Skills - Curated Skills & Plugins for Claude Code en programming-languages robotsllmsaihumans emailphone partial · 8
developerleaf.com 63 match
2 shared topics
Beyond Writing Code - Human Skills for Developers en technology-and-computing robotsllmsaihumans emailphone none
samnaser.com 63 match
2 shared topics
all code is propaganda en technology-and-computing robotsllmsaihumans emailphone none
susmilch.com 63 match
2 shared topics
Bit Twiddling – Exploring Code and Embedded Projects en programming-languagesWordPress robotsllmsaihumans emailphone none
developermemes.com 63 match
2 shared topics
Developer Memes | The Best Memes For Developers en technology-and-computingWordPress robotsllmsaihumans emailphone none
cyclikal.dev 62 match
2 shared topics
cyclikal.dev | Source code for https://cyclikal.dev/ en technology-and-computing robotsllmsaihumans emailphone none
herdingcode.com 62 match
2 shared topics
Herding Code en programming-languages robotsllmsaihumans emailphone none
drgoon.net 62 match
2 shared topics
Hard Mode Code en programming-languages robotsllmsaihumans emailphone none
hardmodecode.com 62 match
2 shared topics
Hard Mode Code en programming-languages robotsllmsaihumans emailphone none
erps-codeclub.co.uk 62 match
2 shared topics
ERPS Code Club GB en programming-languages robotsllmsaihumans emailphone none
cubefreecoder.com 62 match
2 shared topics
Cube Free Coder en programming-languages robotsllmsaihumans emailphone none
devcaffeine.com 62 match
2 shared topics
/dev/caffeine: a programmer is a biological machine for turning coffee into code en programming-languages robotsllmsaihumans emailphone none
joewymancode.com 62 match
2 shared topics
Joe Wyman Codes en programming-languages robotsllmsaihumans emailphone none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.