1
Assembly Tutorial
github.com/mschwartz/assembly-tutorialAlso covers programming · same kind of open-source project
Assembly Tutorial teaches programming in assembly language through written lessons.
Alternatives
The Best 30 Days Of JavaScript Alternatives in 2026
24 alternatives4 free · 6 open source
Looking for something like 30 Days Of JavaScript? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 4 are free or have a free plan and 6 are open source.
About 30 Days Of JavaScriptgithub.com/Asabeneh/30-Days-Of-JavaScript
VisitThe 30 Days of JavaScript challenge provides step-by-step programming lessons that learners can follow at their own pace.
Top picks at a glance
First suggestionAssembly TutorialAssembly Tutorial teaches programming in assembly language…Free or freemium optionHacksplainingHacksplaining teaches secure coding through interactive…Open source option33 JS Concepts33 JS Concepts summarizes JavaScript concepts for…Another optionInterview UniversityA computer science study plan, Interview University helps…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Assembly Tutorial | — | Not stated | — |
| 2 | Interview University | — | Not stated | — |
| 3 | Codility | — | Not stated | Web |
| 4 | Programiz | — | Not stated | Web |
| 5 | 33 JS Concepts | — | Yes | — |
| 6 | You Don't Know JS | — | Not stated | — |
| 7 | Coding Problems | — | Yes | — |
| 8 | Build your own X | — | Not stated | — |
| 9 | Basic Computer Games | — | Yes | — |
| 10 | modern-cpp-tricks | — | Not stated | — |
All 30 Days Of JavaScript alternatives
2
Interview University
github.com/jwasham/coding-interview-universityAlso covers programming · same kind of open-source project
A computer science study plan, Interview University helps learners prepare for software engineering roles.
3
Codility
app.codility.com/programmersAlso covers programming
Codility Developer Training offers hands-on programming lessons, including exercises on topics such as binary gaps.
4
Programiz
programiz.comAlso covers programming
Programiz offers free online compilers and code editors alongside programming tutorials for languages including Python, JavaScript, SQL, and C++.
5
Also covers programming · same kind of open-source project · open source
33 JS Concepts summarizes JavaScript concepts for developers, with examples and reference material.
6
You Don't Know JS
github.com/getify/You-Dont-Know-JSAlso covers programming · same kind of open-source project
You Don’t Know JS is a book series that explores the core mechanisms of the JavaScript language.
7
Also covers programming · same kind of open-source project · open source
Coding Problems provides solutions to coding and algorithm problems and multiple programming exercises.
8
Build your own X
github.com/codecrafters-io/build-your-own-xAlso covers programming · same kind of open-source project
Build Your Own X teaches programming by guiding readers through recreating familiar technologies.
9
Also covers programming · same kind of open-source project · open source
Basic Computer Games updates the classic programming book with examples in modern memory-safe languages.
10
modern-cpp-tricks
github.com/rachitiitr/modern-cpp-tricksAlso covers programming · same kind of open-source project
This list collects modern C++ techniques used in coding interviews and competitive programming.
11
Also covers programming · same kind of open-source project · open source
This repository lists freely available learning resources across programming, mathematics, and science.
12
Also covers programming · free plan
Hacksplaining teaches secure coding through interactive browser lessons covering OWASP Top 10 and GenAI threats.
13
Also covers channel · same kind of open-source project · open source
This repository provides solutions to LeetCode problems for readers to review and use in coding practice.
14
Also covers programming · open source · free
RegexLearn teaches regular expressions through interactive lessons and practice at different levels.
15
CodingFantasy
codingfantasy.comAlso covers programming
CodingFantasy teaches CSS, HTML, and JavaScript through browser-based coding games.
16
JavaScript.info
javascript.infoAlso covers programming
JavaScript.info provides a detailed modern JavaScript tutorial in multiple languages.
17
Also covers programming · free
JavaScriptQuiz tests JavaScript knowledge through randomized questions.
18
Also covers programming · free
Scratch lets people create interactive stories, games, and animations with a visual programming language and online community.
19
QB64SourceCode
qb64tutorial.comAlso covers programming
A beginner tutorial introduces game programming with QB64 Phoenix Edition.
20
CodeAbbey
codeabbey.comAlso covers programming
CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
21
AtCoder
atcoder.jpAlso covers programming
AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
22
Rosetta Code
rosettacode.org/wiki/Rosetta_CodeAlso covers programming
Rosetta Code presents solutions to the same programming tasks in multiple languages for comparison.
23
zetcode
zetcode.comAlso covers programming
ZetCode offers accessible programming tutorials covering C#, Go, Python, Java, and other languages.
24
Codewars
codewars.comAlso covers programming
Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
No alternatives match this filter.
Alternatives to similar tools
Scratch24 alternativesHacksplaining24 alternativesQB64SourceCode24 alternativesCodility24 alternativesCodeAbbey24 alternativesCoding Problems24 alternatives
What is the best alternative to 30 Days Of JavaScript?
Based on features, tags and platforms, the closest alternatives to 30 Days Of JavaScript are Assembly Tutorial, Interview University, and Codility.
Is there a free alternative to 30 Days Of JavaScript?
Yes. Hacksplaining, RegexLearn, and JavaScriptQuiz are free or offer a free plan.
Are there open-source alternatives to 30 Days Of JavaScript?
Yes: 33 JS Concepts, Coding Problems, Basic Computer Games, and Programming Learning Index.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative