#1
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
448K starsJun 16, 2026 pusheducationTypeScriptEducation
$ npx skills add freeCodeCamp/freeCodeCampAlternatives
Codeworld alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Codeworld
Educational computer programming environment using Haskell
88
Quality
84
Trust
1.3K
Stars
#2
Coding articles to level up your development skills
128K starsJun 16, 2026 pusheducationJavaScriptEducation
$ npx skills add Chalarangelo/30-seconds-of-code#3
A book series (2 published editions) on the JS language.
185K starsFeb 15, 2026 pusheducationEducation
$ npx skills add getify/You-Dont-Know-JS#4
:books: Freely available programming books
390K starsJun 13, 2026 pusheducationPythonEducation
$ npx skills add EbookFoundation/free-programming-books#5
All Algorithms implemented in Python
222K starsJun 1, 2026 pusheducationPythonEducation
$ npx skills add TheAlgorithms/Python#6
24 Lessons, 12 Weeks, Get Started as a Web Developer
96K starsJun 14, 2026 pusheducationJavaScriptEducation
$ npx skills add microsoft/Web-Dev-For-Beginners#7
《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现
127K starsApr 18, 2026 pusheducationJavaEducation
$ npx skills add krahets/hello-algo#8
AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.
11K starsJun 16, 2026 pusheducationKotlinEducation
$ npx skills add ankidroid/Anki-Android#9
Learning Vim and Vimscript doesn't have to be hard. This is the guide that you're looking for 📖
15K starsApr 23, 2026 pusheducationDockerfileEducation
$ npx skills add iggredible/Learn-Vim#10
Code. Music. Live.
12K starsJun 12, 2026 pusheducationC++Education
$ npx skills add sonic-pi-net/sonic-pi#11
Digital logic design tool and simulator
7.2K starsJun 12, 2026 pusheducationJavaEducation
$ npx skills add logisim-evolution/logisim-evolution#12
p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org
24K starsJun 14, 2026 pushdesign-creativeJavaScriptCreative Coding
$ npx skills add processing/p5.js#13
Universal markup converter
45K starsJun 13, 2026 pushdocument-processingHaskellMarkdown
$ npx skills add jgm/pandoc#14
ShellCheck, a static analysis tool for shell scripts
40K starsJun 11, 2026 pushdevelopmentHaskellStatic Analysis
$ npx skills add koalaman/shellcheck#15
REST API for any Postgres database
27K starsJun 20, 2026 pushdata-analysisHaskellSQL
$ npx skills add PostgREST/postgrest#16
Bartosz Milewski's 'Category Theory for Programmers' unofficial PDF and LaTeX source
12K starsApr 8, 2026 pushdocument-processingTeXPDF
$ npx skills add hmemcpy/milewski-ctfp-pdfHow to choose
When should you switch?
Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Codeworld if it already passes your workflow test and repository review.
Next step
Compare top candidates side by side
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.