Interactive Primer

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Free, open-source “smart web pages” that teach maths, compsci and physics from the age of 5 to 105. One tree of knowledge you climb at your own pace, with animations, interactive diagrams, and randomized quizzes. No sign-up, no subscriptions, no ads.

Interactive Primer screenshot 1

Cost / License

Free
Open Source (CC0-1.0)

Platforms

Online

Interactive Primer screenshot 1

Interactive Primer screenshot 2

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James Jardine updated Interactive Primer
3 months ago
James Jardine added Interactive Primer as alternative to Brilliant.org
3 months ago
James Jardine added Interactive Primer
3 months ago
Paul updated Interactive Primer
3 months ago
James Jardine added Interactive Primer as alternative to Khan Academy
3 months ago

Interactive Primer information

Developed by
jimmejardine
Licensing
Open Source (CC0-1.0) and Free product.
Alternatives
3 alternatives listed
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Supported Languages
- English

AlternativeTo Category

Education & Reference

GitHub repository

1 Stars
0 Forks
0 Open Issues
Updated Jul 9, 2026

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Interactive Primer was added to AlternativeTo by James Jardine on Jul 1, 2026 and this page was last updated Jul 9, 2026.

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What is Interactive Primer?

Free, open-source “smart web pages” that teach maths, compsci and physics from the age of 5 to 105. One tree of knowledge you climb at your own pace, with animations, interactive diagrams, and randomized quizzes. No sign-up, no subscriptions, no ads.