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 Build your own X Alternatives in 2026
24 alternatives3 free · 4 open source
Looking for something like Build your own X? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 4 are open source.
About Build your own Xgithub.com/codecrafters-io/build-your-own-x
VisitBuild Your Own X teaches programming by guiding readers through recreating familiar technologies.
Top picks at a glance
First suggestionAssembly TutorialAssembly Tutorial teaches programming in assembly language…Free or freemium optionScratchScratch lets people create interactive stories, games, and…Open source optionCoding ProblemsCoding Problems provides solutions to coding and algorithm…Another option30 Seconds of Code30 Seconds of Code offers hundreds of short coding articles…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Assembly Tutorial | — | Not stated | — |
| 2 | 30 Seconds of Code | — | Not stated | Web |
| 3 | System Design Academy | — | Not stated | — |
| 4 | Amit’s Game Programming | — | Not stated | Web |
| 5 | Coding Problems | — | Yes | — |
| 6 | 30 Days Of JavaScript | — | Not stated | — |
| 7 | Basic Computer Games | — | Yes | — |
| 8 | modern-cpp-tricks | — | Not stated | — |
| 9 | Programming Learning Index | — | Yes | — |
| 10 | SVG Wave | — | Not stated | Web |
All Build your own X alternatives
2
30 Seconds of Code
30secondsofcode.orgAlso covers programming
30 Seconds of Code offers hundreds of short coding articles to help readers practice programming skills.
3
System Design Academy
github.com/systemdesign42/system-design-academyAlso covers programming · same kind of open-source project
System Design Academy points readers to a newsletter about AI engineering and system design.
4
Amit’s Game Programming
www-cs-students.stanford.edu/~amitp/gameprog.h…Also covers programming
Amit’s Game Programming Information answers questions about learning game development, building games, and progressing as a programmer.
5
Also covers programming · same kind of open-source project · open source
Coding Problems provides solutions to coding and algorithm problems and multiple programming exercises.
6
30 Days Of JavaScript
github.com/Asabeneh/30-Days-Of-JavaScriptAlso covers programming · same kind of open-source project
The 30 Days of JavaScript challenge provides step-by-step programming lessons that learners can follow at their own pace.
7
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.
8
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.
9
Also covers programming · same kind of open-source project · open source
This repository lists freely available learning resources across programming, mathematics, and science.
10
SVG Wave
softr.io/tools/svg-wave-generatorAlso covers programming
This tutorial explains how to build an SVG generator app in Softr with export buttons and a database.
11
Also covers programming · free
Scratch lets people create interactive stories, games, and animations with a visual programming language and online community.
12
Also covers programming · free plan
Hacksplaining teaches secure coding through interactive browser lessons covering OWASP Top 10 and GenAI threats.
13
Also covers programming · open source · free
RegexLearn teaches regular expressions through interactive lessons and practice at different levels.
14
CodingFantasy
codingfantasy.comAlso covers programming
CodingFantasy teaches CSS, HTML, and JavaScript through browser-based coding games.
15
QB64SourceCode
qb64tutorial.comAlso covers programming
A beginner tutorial introduces game programming with QB64 Phoenix Edition.
16
Codility
app.codility.com/programmersAlso covers programming
Codility Developer Training offers hands-on programming lessons, including exercises on topics such as binary gaps.
17
CodeAbbey
codeabbey.comAlso covers programming
CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
18
AtCoder
atcoder.jpAlso covers programming
AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
19
Rosetta Code
rosettacode.org/wiki/Rosetta_CodeAlso covers programming
Rosetta Code presents solutions to the same programming tasks in multiple languages for comparison.
20
Programiz
programiz.comAlso covers programming
Programiz offers free online compilers and code editors alongside programming tutorials for languages including Python, JavaScript, SQL, and C++.
21
zetcode
zetcode.comAlso covers programming
ZetCode offers accessible programming tutorials covering C#, Go, Python, Java, and other languages.
22
Codewars
codewars.comAlso covers programming
Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
23
Ebook Foundation
ebookfoundation.github.io/free-programming-booksAlso covers programming
The Ebook Foundation's free-programming-books repository lists freely available learning resources in many languages.
24
CP-Algorithms
cp-algorithms.comAlso covers programming
Competitive programming algorithms are documented with descriptions and examples in CP-Algorithms.
No alternatives match this filter.
Alternatives to similar tools
Scratch24 alternativesHacksplaining24 alternativesQB64SourceCode24 alternativesCodility24 alternativesCodeAbbey24 alternativesSystem Design Academy24 alternatives
What is the best alternative to Build your own X?
Based on features, tags and platforms, the closest alternatives to Build your own X are Assembly Tutorial, 30 Seconds of Code, and System Design Academy.
Is there a free alternative to Build your own X?
Yes. Scratch, Hacksplaining, and RegexLearn are free or offer a free plan.
Are there open-source alternatives to Build your own X?
Yes: Coding Problems, Basic Computer Games, Programming Learning Index, and RegexLearn.
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