How to: Complete books
* :fire: [**Library Genesis**](https://libgen.is/) - ebooks and scientific articles. **Bonus** : [Mirror #1](http://gen.lib.rus.ec/), [Mirror #2 with nice UI](https://libgen.me/), [Mirrors list](http://sguru.org/libgen-proxy/)
* :fire: [**ZLibrary**](https://b-ok.cc/) - The world's largest ebook library.
* [Project Gutenberg](https://www.gutenberg.org/) - over 54,000 free eBooks, especially older works for which copyright has expired.
* [The Pragmatic Programmers](https://media.pragprog.com/titles/auto/PragmaticAutomationSummary.pdf) - [PDF] Pragmatic Project Automation Summary Road Map / good one-page summary of [Pragmatic Project Automation](http://www.pragprog.com/titles/auto) book
* [Marco de Saint-Hilaire](http://www.gutenberg.org/ebooks/26488) - [FR] :fr: [Book] L'art de payer ses dettes et de satisfaire ses créanciers sans débourser un sou
* [Google](https://landing.google.com/sre/book.html) - [Book] Site Reliability Engineering | free book about how SRE at Google build, deploy, monitor, and maintain some of the largest software systems in the world.
* [DZone](https://dzone.com/guides/devops-culture-and-process) - (2018) [Book] [PDF] DZone's free 50 pages Guide to DevOps: Culture and Process
* [The Hidden Wiki](https://zqktlwi4fecvo6ri.onion.to/wiki/Libraries) - [TOR] a list of websites that have free ebooks.
* [Imperial Library](https://xfmro77i3lixucja.onion.to/) - [TOR] online library with +100.000 books
* [Deep web sites links](https://www.deepwebsiteslinks.com/deep-web-books-sites-links/) - [TOR] Deep Web Books Link | Dark Web Books Sites
* [PubMed](https://www.ncbi.nlm.nih.gov/pubmed) - +27 million content in biomedical literature from MEDLINE, life science journals, and online books.
* [Fox eBook](https://www.foxebook.net) - ebooks site
* [Smashwords](https://www.smashwords.com/books/category/1/newest/0/free/any) - ebooks from independent authors and publishers
* [Steve Losh](http://learnvimscriptthehardway.stevelosh.com/) - Free book : Learn Vimscript the Hard Way, learn how to customize vim
* [InfoQ](https://www.infoq.com/) - news, videos, books for software developers
* [Brian Kelly](https://morethancoding.com/2011/02/27/the-greatest-software-stories-ever-told/) - (2011) [Book] The Greatest Software Stories Ever Told
* [Erik Helin and Adam Renberg](http://littleosbook.github.io/#a-simple-read-only-file-system) - [Book] The little book about OS development
* [Miran Lipovača](http://learnyouahaskell.com/chapters) - [Book] Learn You a Haskell for Great Good! and for free
* [Markus Triska](https://www.metalevel.at/prolog) - [Book] The Power of Prolog. **Bonus** : git repo [triska/the-power-of-prolog](https://github.com/triska/the-power-of-prolog)
* [Humans vs Computers](https://leanpub.com/humansvscomputers) - a book about wrong assumptions, computer bugs, and people caught in between
* [Laurens Van Houtven](https://www.crypto101.io/) - Crypto 101 is an introductory course on cryptography, freely available for programmers of all ages and skill levels. **Bonus** : [GitHub repo](https://github.com/crypto101/book)
* [The Cathedral and the Bazaar](https://en.wikipedia.org/wiki/The_Cathedral_and_the_Bazaar) - [Book] Musings on Linux and Open Source by an Accidental Revolutionary
* [Launch School](https://launchschool.com/books/) - Open Book Shelf for developers | some beginner friendly readings about programming, git, command line, etc
* [Learn You Some Erlang](http://learnyousomeerlang.com/content) - Online book. Reading this tutorial should be one of your first steps in learning Erlang
* [Ogre](http://ogres-crypt.com/Kindle/) - Free Kindle Book Listings
* [Reddit](https://www.reddit.com/r/FreeEBOOKS/) - Free Ebooks
* [OpenShift](https://www.openshift.com/promotions/devops-with-openshift.html) - DevOps with OpenShift
* [MorganGeek](https://researchportal.unamur.be/fr/studentTheses/design-of-a-support-system-for-modelling-gene-regulatory-networks) - (2015) Design of a support system for modelling gene regulatory networks. **Bonus** : [Download in PDF](https://researchportal.unamur.be/files/36918347/2015_WattiezM_memoire.pdf)
* [Internet Archive](https://archive.org/details.php?identifier=texts) - eBooks and Texts : The Internet Archive offers over 15,000,000 freely downloadable books and texts. There is also a collection of 550,000 modern eBooks that may be borrowed by anyone with a free archive.org account.
* :star: [**Terraform Best Practices**](https://www.terraform-best-practices.com/) - [Book] free book with most of best-practices and recommendations for Terraform users. **Bonus** : [Source code examples](https://github.com/antonbabenko/terraform-best-practices/tree/master/examples)
* [MagazineLib](https://magazinelib.com/?s=Linux) - Free Pdf & interactive e-magazines
* [ebpok3000](http://ebook3000.com/plus/search.php?keyword=Linux+magazine&x=0&y=0) - Download PDF Magazines, eBooks, PDF for Free
* [PDF Giant](http://pdf-giant.com/tags/linux%20magazine) - a place where you can download magazines