Life & fun · alternatives · 2026

24 alternatives to E Library- Engineering Books

Knowledge is Free

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. E Library- Engineering Books launched in 2019; newer entries below may have overtaken it.

1. 1
   Free textbook on engineering thermodynamics▲191

   Author here. Feel free to send questions of any kind.

   Apr 2026 · thermodynamicsbook.com · its alternatives →

2. 2
   The Beginner’s Guide to Faster Websites▲166

   Free ebook on how to optimize your websites

   2017 · git-tower.com · its alternatives →

3. 3
   DevFreeBooks – A collection of free books for developers▲571

   A collection of free books for devs

   2016 · devfreebooks.github.io · its alternatives →

4. 4
   GoodBook▲134

   A large selection of free ebooks and audio books 📚

   2018 · play.google.com · its alternatives →

5. 5
   DevFreeBooks▲288

   A collection of free books for developers

   2016 · devfreebooks.github.io · its alternatives →

6. 6
   onlibrary▲12

   Best place to get eBooks and digital audio books for free.

   2021 · its alternatives →

7. 7
   Designing UX for SaaS▲248

   Free ebook to level up the User Experience of your SaaS

   2021 · userguiding.com · its alternatives →

8. 8
   Getting Real▲234

   The smarter way to build web apps. A free book by 37signals.

   2015 · basecamp.com · its alternatives →

9. 9
   The Project Guide to Enterprise Product Design▲93

   Free e-book. UX best practices from real projects.

   2016 · uxpin.com · its alternatives →

10. 10
    eLibSearch▲58

    Find ebooks in online libraries and subscription sites.

    2018 · elibsearch.com · its alternatives →

11. 11
    HearIt▲81

    Create your own audio books from any file for free.

    2020 · apps.apple.com · its alternatives →

12. 12
    Zee Library - 50,000+ Free eBooks▲5

    Read thousands of bestselling books.

    2022 · play.google.com · its alternatives →

13. 13
    4books▲74

    Learn the key ideas of the best business books

    2020 · 4books.com · its alternatives →

14. 14
    Designing for the Web▲71

    Great free ebook about web design

    2016 · designingfortheweb.co.uk · its alternatives →

15. 15
    Project Gutenberg▲69

    Free books that are completely legal

    2015 · gutenberg.org · its alternatives →

16. 16
    Customer Service Software Guide▲81

    Free E-Book by Juphy

    2022 · juphy.com · its alternatives →

17. 17
    The Grit: Season 2▲52

    Free Ebook of interviews with top designers & developers 📕

    2020 · avocode.com · its alternatives →

18. 18
    NexPage▲63

    Learning across borders

    2022 · linktr.ee · its alternatives →

19. 19
    Tubes▲54

    A Journey to the Center of the Internet

    2015 · amazon.com · its alternatives →

20. 20
    Kotlin for Android Developers▲63

    Learn Kotlin the easy way while developing an Android App

    2016 · antonioleiva.com · its alternatives →

21. 21
    Digitalbook.io▲6

    Free audio books and eBooks

    2018 · digitalbook.io · its alternatives →

22. 22
    GutenPortal▲2

    Interface for finding and downloading free books

    2025 · payhip.com · its alternatives →

23. 23DF
    DevFreeBooks – Free ebooks for developers▲24

    2015 · devfreebooks.org · its alternatives →

24. 24
    Problem-Solving Web Design▲21

    Free e-book about effective design practices for web

    2017 · blog.tubikstudio.com · 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 →