Life & fun · alternatives · 2026

24 alternatives to OpenStax

Free educational materials for K-12 and College

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. OpenStax launched in 2016; newer entries below may have overtaken it.

1. 1
   FreeTexbooks▲6

   on-campus marketplace for students to buy and sell textbooks

   2014 · its alternatives →

2. 2
   reSRC▲53

   Free programming learning resources incl. 500 free books

   2014 · cakhiatvttbdg.tv · its alternatives →

3. 3
   Khan Academy for iPad▲102

   Learn math, biology, chemistry, economics, & more for free

   2015 · apps.apple.com · its alternatives →

4. 4
   CODY▲136

   Free library of HTML, CSS, & JS nuggets

   2014 · codyhouse.co · its alternatives →

5. 5
   Doxearch▲12

   Free PDF Search to find all documents available online.

   2016 · its alternatives →

6. 6
   OpenSpritz▲73

   A free speed reading bookmarklet inspired by Spritz

   2014 · gun.io · its alternatives →

7. 7
   Schoolzilla▲68

   Making data useful for schools

   2014 · its alternatives →

8. 8
   OverDrive▲62

   eBook lending for free through public libraries

   2014 · overdrive.com · its alternatives →

9. 9
   PINDEX▲73

   Collect and discover the best educational material

   2016 · its alternatives →

10. 10
    Weekend software products▲65

    Free eBook on Building Software Products in a Weekend

    2014 · its alternatives →

11. 11
    Student Kit▲108

    Everything a student needs.

    2015 · studentkit.tumblr.com · its alternatives →

12. 12
    Tubes▲54

    A Journey to the Center of the Internet

    2015 · amazon.com · its alternatives →

13. 13
    Curious▲76

    A better way to learn anything!

    2013 · curious.com · its alternatives →

14. 14
    OpenLibra▲4

    Catalog of free Science and technical books

    2016 · its alternatives →

15. 15
    Earth: A Primer▲76

    A science book/app for playful people

    2015 · earthprimer.com · its alternatives →

16. 16
    Open Access Button▲61

    Find free research & help make more of it publicly available

    2014 · openaccessbutton.org · its alternatives →

17. 17
    Project Gutenberg▲69

    Free books that are completely legal

    2015 · gutenberg.org · its alternatives →

18. 18
    Openoox▲86

    Bookmark the web

    2016 · openoox.com · its alternatives →

19. 19
    Calibre eBook Manager▲102

    Convert any eBook to any format (free and open source)

    2014 · calibre-ebook.com · its alternatives →

20. 20
    Oyster Books (web client)▲92

    Introducing the Oyster Web Reader

    2014 · its alternatives →

21. 21
    KimDigest▲93

    Open source reader for beyond RSS

    2014 · its alternatives →

22. 22
    Open eBooks ▲66

    Thousands award-winning titles that are free for children

    2016 · openebooks.org · its alternatives →

23. 23
    Ginkgotree▲73

    A Tumblr for making your own textbooks

    2014 · ginkgotree.com · its alternatives →

24. 24
    COLLEGE STASH▲66

    200+ Free online resources curated for college students

    2017 · collegestash.info · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →