References & docs

Top 5 free

Week of 7 September

1Code.orgNewly trackedNew
2MIT OpenCourseWareNewly trackedNew
3The Odin ProjectNewly trackedNew
4AnkiNewly trackedNew
5CS50Newly trackedNew

Top 5 paid

Week of 7 September

1ElicitNewly trackedNew
2KhanmigoNewly trackedNew

Elicit

elicit.com

Finds and summarises real research papers, with citations.

✓ Checked 50 days ago

$49/monthNo training on your data

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Consensus

consensus.app

Answers questions using peer-reviewed findings only.

Not checked yet

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SciSpace

scispace.com

Explains a dense paper paragraph by paragraph.

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Internet Archive Scholar

scholar.archive.org

No AI

Search millions of open access research papers.

✓ Checked 50 days ago

Free tier

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DOAJ

doaj.org

No AI

Directory of vetted open access journals.

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OpenStax

openstax.org

No AI

Peer-reviewed textbooks, free to download.

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3Blue1Brown

3blue1brown.com

No AI

The best visual explanations of hard maths on the internet.

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Wikibooks

wikibooks.org

No AI

Open textbooks anyone can improve.

✓ Checked 50 days ago

Free tier

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freeCodeCamp

freecodecamp.org

No AI

A full curriculum, written by people, entirely free.

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MDN Web Docs

developer.mozilla.org

No AI

The reference for how the web actually works.

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Exercism

exercism.org

No AI

Practice problems in 70 odd languages with feedback from human mentors.

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