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Learn JavaScript with guided tests and flashcards

Crazygames
meowdoku
Meow Playground
2048
2048 by Uberspot
Wordly.org
Moshi
Play Meowdoku, the free cat logic puzzle. Place one cat in every row, column, and color region — no numbers, no two cats touching — with a fresh puzzle daily.

Which is more popular?
Based on our record, Learn JavaScript seems to be more popular. It has been mentioned 48 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | learnjavascript.online | meowdoku.run |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Learn JavaScript yet.
Meowdoku is a free cat-themed logic puzzle you can play right in your browser — no download, no sign-up. It blends the familiar feel of Sudoku with the "Queens" placement rule for a fresh daily brain teaser. The rules are simple Place exactly one cat in every row, every column, and every colored...
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Learn JAVASCRIPT in just 5 MINUTES (2020)
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As answered by people managing Learn JavaScript and Meowdoku.run.
Meowdoku.run's answer:
Meowdoku takes the classic Sudoku you already know and wraps it in a calm, cat-themed design that's actually pleasant to sit with. Most online Sudoku is either cluttered with ads or stripped down and ugly — Meowdoku is built to feel cozy. It runs entirely in the browser, loads instantly, and never asks you to create an account before you can play.
Meowdoku.run's answer:
No signup, no app install, no ad walls between you and the next puzzle. You open the page and you're playing in seconds. The cat theme and clean layout make it a genuine 5-minute mental break rather than a chore. It's free, it works on any device, and it respects your time and attention — which is more than most free Sudoku sites can say.
Meowdoku.run's answer:
Casual puzzle players who want a quick, relaxing brain break — people doing Sudoku on a coffee break, commute, or between tasks. It skews toward anyone who finds classic logic puzzles calming and happens to like cats: students, office workers, and older puzzle fans alike. No prior Sudoku experience needed; easier levels welcome complete beginners.
Meowdoku.run's answer:
It started from a simple combination: I love Sudoku and I love cats, and I was tired of online Sudoku sites that buried the game under ads and signup walls. So I built the version I actually wanted to play — clean, cozy, instantly playable, with a cat theme that makes a quick puzzle feel like a small treat. Meowdoku is that idea, shipped.
Meowdoku.run's answer:
Built as a lightweight browser game with Next.js / React on the front end, deployed behind Cloudflare for fast global delivery. The Sudoku generation and solving logic run client-side so puzzles load and respond instantly with no server round-trips.
Meowdoku.run's answer:
Meowdoku is a free consumer puzzle game played by casual Sudoku fans worldwide — it doesn't have enterprise customers.
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Recommendations tracked on public social media and blogs since March 2021.


I haven't done this course, but I have been programming with Javascript for about ~1.5years and can build things with React, the best course I found, and I bet it would translate to angular, is learnjavascript.online. Another resource... Source: over 3 years ago
The Jad Joubran courses on the other hand really upped my skill level and helped me make the jump from passive learning, exercises and very small projects to making legitimate web apps. That was probably the biggest/scariest jump I've... Source: over 3 years ago
Hi everyone! I'm in the very early stages of creating an interactive course and I would like to hear your thoughts on them. So far I've come across Scrimba and Jad Joubran's learn X series of sites (learnjavascript.online,... Source: over 3 years ago
Tracking Meowdoku.run since Jun 2026.
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