#1
:books: Freely available programming books
390K starsJun 13, 2026 pusheducationPythonEducation
$ npx skills add EbookFoundation/free-programming-booksAlternatives
Rathena alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Rathena
rAthena is an open-source cross-platform MMORPG server.
100
Quality
86
Trust
3.4K
Stars
#2
All Algorithms implemented in Python
222K starsJun 1, 2026 pusheducationPythonEducation
$ npx skills add TheAlgorithms/Python#3
Code. Music. Live.
12K starsJun 12, 2026 pusheducationC++Education
$ npx skills add sonic-pi-net/sonic-pi#4
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#5
Coding articles to level up your development skills
128K starsJun 16, 2026 pusheducationJavaScriptEducation
$ npx skills add Chalarangelo/30-seconds-of-code#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
A book series (2 published editions) on the JS language.
185K starsFeb 15, 2026 pusheducationEducation
$ npx skills add getify/You-Dont-Know-JS#10
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#11
🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.
54K starsJul 27, 2026 pushdevelopmentC++Static Analysis
$ npx skills add WerWolv/ImHex#12
Cross-platform, customizable ML solutions for live and streaming media.
36K starsJun 15, 2026 pushml-automationC++Machine Learning
$ npx skills add google-ai-edge/mediapipe#13
Tesseract Open Source OCR Engine (main repository)
75K starsJun 13, 2026 pushdocument-processingC++OCR
$ npx skills add tesseract-ocr/tesseract#14
Solidity, the Smart Contract Programming Language
26K starsJun 29, 2026 pushweb3-analyticsC++Blockchain
$ npx skills add argotorg/solidity#15
Dedicated Game Server Hosting and Scaling for Multiplayer Games on Kubernetes
7.0K starsAug 9, 2026 pushdevopsGoKubernetes
$ npx skills add agones-dev/agones#16
KeePassXC is a cross-platform community-driven port of the Windows application “KeePass Password Safe”.
28K starsJun 4, 2026 pushlegal-complianceC++Privacy
$ npx skills add keepassxreboot/keepassxcHow 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 Rathena 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.