#1
:books: Freely available programming books
390K starsJun 13, 2026 pusheducationPythonEducation
$ npx skills add EbookFoundation/free-programming-booksAlternatives
ClassQuiz alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
ClassQuiz
ClassQuiz is a quiz-application like Kahoot!, but open-source.
86
Quality
86
Trust
699
Stars
#2
All Algorithms implemented in Python
222K starsJun 1, 2026 pusheducationPythonEducation
$ npx skills add TheAlgorithms/Python#3
A free, online learning platform to make quality education accessible for all.
6.7K starsJun 16, 2026 pusheducationPythonEducation
$ npx skills add oppia/oppia#4
Easy to Use, 100% Open Source Learning Management System
3.0K starsJun 15, 2026 pusheducationVueEducation
$ npx skills add frappe/lms#5
rAthena is an open-source cross-platform MMORPG server.
3.4K starsJun 15, 2026 pusheducationC++Education
$ npx skills add rathena/rathena#6
🐢 🌎 📚 a community-owned language-learning platform
2.6K starsApr 14, 2026 pusheducationPythonEducation
$ npx skills add kantord/LibreLingo#7
Hedy is a gradual programming language to teach children programming. Gradual languages use different language levels, where each level adds new concepts and syntactic complexity. At the end of the Hedy level sequence, kids master a subset of syntactically valid Python.
1.6K starsJun 15, 2026 pusheducationCSSEducation
$ npx skills add hedyorg/hedy#8
Learn Godot's GDScript programming language from zero, right in your browser, for free.
2.7K starsJun 12, 2026 pusheducationGDScriptEducation
$ npx skills add GDQuest/learn-gdscript#9
Macro-header for compile-time C obfuscation (tcc, win x86/x64)
1.7K starsMay 20, 2026 pusheducationCEducation
$ npx skills add DosX-dev/obfus.h#10
Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community.
1.2K starsJun 15, 2026 pusheducationJavaEducation
$ npx skills add sakaiproject/sakai#11
Collection of various algorithms implemented in R.
1.2K starsJun 12, 2026 pusheducationREducation
$ npx skills add TheAlgorithms/R#12
:abacus: Algorithms and Data Structures in several Programming Languages
1.1K starsMay 21, 2026 pusheducationPythonEducation
$ npx skills add kelvins/algorithms-and-data-structures#13
Kolibri Learning Platform: the offline app for universal education
1.1K starsJun 13, 2026 pusheducationPythonEducation
$ npx skills add learningequality/kolibri#14
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/freeCodeCamp#15
Coding articles to level up your development skills
128K starsJun 16, 2026 pusheducationJavaScriptEducation
$ npx skills add Chalarangelo/30-seconds-of-code#16
24 Lessons, 12 Weeks, Get Started as a Web Developer
96K starsJun 14, 2026 pusheducationJavaScriptEducation
$ npx skills add microsoft/Web-Dev-For-BeginnersHow 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 ClassQuiz 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.