#1
:books: Freely available programming books
390K starsJun 13, 2026 pusheducationPythonEducation
$ npx skills add EbookFoundation/free-programming-booksAlternatives
LibreLingo alternatives for AI agents.
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LibreLingo
π’ π π a community-owned language-learning platform
100
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Trust
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#2
A free, online learning platform to make quality education accessible for all.
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$ npx skills add oppia/oppia#3
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$ npx skills add ucfopen/canvasapi#8
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$ npx skills add jupyterhub/the-littlest-jupyterhub#9
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$ npx skills add alexmojaki/futurecoder#10
Mnemosyne: efficient learning with powerful digital flash-cards.
591 starsApr 18, 2026 pusheducationPythonEducation
$ npx skills add mnemosyne-proj/mnemosyne#11
Solutions for various coding/algorithmic problems and many useful resources for learning algorithms and data structures
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$ npx skills add MTrajK/coding-problems#12
AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.
11K starsJun 16, 2026 pusheducationKotlinEducation
$ npx skills add ankidroid/Anki-Android#13
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1.1K starsJan 15, 2026 pusheducationPythonEducation
$ npx skills add needleworm/bhban_rpa#14
A simple interface to GPIO devices with Raspberry Pi
2.1K starsNov 6, 2025 pusheducationPythonEducation
$ npx skills add gpiozero/gpiozero#15
Easy to Use, 100% Open Source Learning Management System
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$ npx skills add frappe/lms#16
rAthena is an open-source cross-platform MMORPG server.
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$ npx skills add rathena/rathenaHow 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 LibreLingo 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.