:books: Freely available programming books
$ npx skills add EbookFoundation/free-programming-booksAlternatives
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Source code of Mathigon's interactive textbooks
:books: Freely available programming books
$ npx skills add EbookFoundation/free-programming-books24 Lessons, 12 Weeks, Get Started as a Web Developer
$ npx skills add microsoft/Web-Dev-For-BeginnersfreeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
$ npx skills add freeCodeCamp/freeCodeCampAnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.
$ npx skills add ankidroid/Anki-AndroidCoding articles to level up your development skills
$ npx skills add Chalarangelo/30-seconds-of-codeAll Algorithms implemented in Python
$ npx skills add TheAlgorithms/Python《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
$ npx skills add krahets/hello-algoA book series (2 published editions) on the JS language.
$ npx skills add getify/You-Dont-Know-JSLearning Vim and Vimscript doesn't have to be hard. This is the guide that you're looking for 📖
$ npx skills add iggredible/Learn-VimCode. Music. Live.
$ npx skills add sonic-pi-net/sonic-piDigital logic design tool and simulator
$ npx skills add logisim-evolution/logisim-evolutionAn Open Source implementation of Notebook LM with more flexibility and features
$ npx skills add lfnovo/open-notebookPre-indexed code knowledge graph for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, and Hermes Agent — fewer tokens, fewer tool calls, 100% local
$ npx skills add colbymchenry/codegraphA lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK
$ npx skills add nanocoai/nanoclawA next.js web application that integrates AI capabilities with draw.io diagrams. This app allows you to create, modify, and enhance diagrams through natural language commands and AI-assisted visualization.
$ npx skills add DayuanJiang/next-ai-draw-ioThe open source coding agent.
$ npx skills add anomalyco/opencodeHow to choose
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 Textbooks if it already passes your workflow test and repository review.
Next step
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.