#1
:books: Freely available programming books
390K starsJun 13, 2026 pusheducationPythonEducation
$ npx skills add EbookFoundation/free-programming-booksAlternatives
CardStock alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
CardStock
CardStock is a cross-platform tool for quickly and easily building programs. It provides a drawing-program-like editor for visually laying out your programs' parts, and a code editor for adding event-driven python code.
72
Quality
78
Trust
284
Stars
#2
24 Lessons, 12 Weeks, Get Started as a Web Developer
96K starsJun 14, 2026 pusheducationJavaScriptEducation
$ npx skills add microsoft/Web-Dev-For-Beginners#3
AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.
11K starsJun 16, 2026 pusheducationKotlinEducation
$ npx skills add ankidroid/Anki-Android#4
All Algorithms implemented in Python
222K starsJun 1, 2026 pusheducationPythonEducation
$ npx skills add TheAlgorithms/Python#5
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#6
Coding articles to level up your development skills
128K starsJun 16, 2026 pusheducationJavaScriptEducation
$ npx skills add Chalarangelo/30-seconds-of-code#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
A book series (2 published editions) on the JS language.
185K starsFeb 15, 2026 pusheducationEducationClaude Code
$ npx skills add getify/You-Dont-Know-JS#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
1 min voice data can also be used to train a good TTS model! (few shot voice cloning)
59K starsJun 20, 2026 pushmedia-automationPythonVoice
$ npx skills add RVC-Boss/GPT-SoVITS#13
Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.
55K starsJul 2, 2026 pushagent-frameworksPythonAI Agents
$ npx skills add crewAIInc/crewAI#14
Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
49K starsJun 14, 2026 pushdata-analysisPythonData Analysis
$ npx skills add pandas-dev/pandas#15
The 500 AI Agents Projects is a curated collection of AI agent use cases across various industries. It showcases practical applications and provides links to open-source projects for implementation, illustrating how AI agents are transforming sectors such as healthcare, finance, education, retail, and more.
33K starsJun 6, 2026 pushagent-frameworksPythonAI Agents
$ npx skills add ashishpatel26/500-AI-Agents-Projects#16
100+ AI Agent & RAG apps you can actually run — clone, customize, ship.
114K starsJun 13, 2026 pushdataPythonRAG
$ npx skills add Shubhamsaboo/awesome-llm-appsHow 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 CardStock 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.