* [Atariarchives.org](https://www.atariarchives.org) - Atariarchives.org makes books, information, and software for Atari and other classic computers available on the Web.
* [JSBooks - directory of free javascript ebooks](https://github.com/revolunet/JSbooks)
* [Learn X in Y minutes](https://learnxinyminutes.com)
* [Learneroo Resources to Learn Programming](https://www.learneroo.com/modules/12/nodes/96)
* [Microsoft Guides to Software](https://blogs.msdn.microsoft.com/mssmallbiz/2014/07/07/largest-collection-of-free-microsoft-ebooks-ever-including-windows-8-1-windows-8-windows-7-office-2013-office-365-office-2010-sharepoint-2013-dynamics-crm-powershell-exchange-server-lync-2/)
* [Microsoft Technologies 1, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, Office365, etc. collection by Eric Ligman](https://blogs.msdn.microsoft.com/mssmallbiz/2012/07/27/large-collection-of-free-microsoft-ebooks-for-you-including-sharepoint-visual-studio-windows-phone-windows-8-office-365-office-2010-sql-server-2012-azure-and-more/)
* [Microsoft Technologies 2, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, etc. collection by Eric Ligman](https://blogs.msdn.microsoft.com/mssmallbiz/2012/07/30/another-large-collection-of-free-microsoft-ebooks-and-resource-kits-for-you-including-sharepoint-2013-office-2013-office-365-duet-2-0-azure-cloud-windows-phone-lync-dynamics-crm-and-more/)
* [Microsoft Technologies 3, DevOps for ASP.NET Core Developers](https://raw.githubusercontent.com/dotnet-architecture/eBooks/main/current/devops-aspnet-core/DevOps-for-ASP.NET-Core-Developers.pdf) - Cam Soper, Scott Addie, Colin Dembovsky (PDF)
* [A Field Guide To Genetic Programming](https://web.archive.org/web/20191020195105/http://www0.cs.ucl.ac.uk/staff/W.Langdon/ftp/papers/poli08_fieldguide.pdf) - Riccardo Poli, William B. Langdon, Nicholas F. McPhee (PDF) *(:card_file_box: archived)*
* [Algorithm Design](https://archive.org/details/AlgorithmDesign1stEditionByJonKleinbergAndEvaTardos2005PDF) - Jon Kleinberg, Éva Tardos
* [Algorithmic Graph Theory](https://code.google.com/p/graphbook/) - David Joyner, Minh Van Nguyen, David Phillips (PDF)
* [Data Structures and Algorithms: Annotated Reference with Examples](https://web.archive.org/web/20170715160229/http://dotnetslackers.com/Community/files/folders/data-structures-and-algorithms/entry30283.aspx) - G. Barnett, L. Del Tongo *(:card_file_box: archived)*
* [Data Structures Succinctly Part 1, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/datastructurespart1) - Robert Horvick
* [Data Structures Succinctly Part 2, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/datastructurespart2) - Robert Horvick
* [Elementary Algorithms](https://github.com/liuxinyu95/AlgoXY) - Larry Liu Xinyu (PDF)
* [Lectures Notes on Algorithm Analysis and Computational Complexity (Fourth Edition)](https://ianparberry.com/books/free/license.html) - Ian Parberry (use form at bottom of license)
* [Artificial Intelligence and the Future for Teaching and Learning](https://www2.ed.gov/documents/ai-report/ai-report.pdf) - Office of Educational Technology (PDF)
* [Artificial Intelligence for a Better Future: An Ecosystem Perspective on the Ethics of AI and Emerging Digital Technologies](https://link.springer.com/book/10.1007/978-3-030-69978-9) - Bernd Carsten Stahl (PDF, EPUB)
* [Artificial Intelligence: Foundations of Computational Agents (2010), 1st Edition](https://artint.info/aifca1e.html) - David L. Poole, Alan K. Mackworth @ Cambridge University Press (HTML)
* [Artificial Intelligence: Foundations of Computational Agents (2017), 2nd Edition](https://artint.info) - David L. Poole, Alan K. Mackworth @ Cambridge University Press (HTML, Slides)
* [On the Path to AI: Law’s prophecies and the conceptual foundations of the machine learning age](https://link.springer.com/book/10.1007/978-3-030-43582-0) - Thomas D. Grant, Damon J. Wischik (PDF, EPUB)
* [The History of Artificial Intelligence](https://courses.cs.washington.edu/courses/csep590/06au/projects/history-ai.pdf) - Chris Smith, Brian McGuire, Ting Huang, Gary Yang (PDF)
* [Bitcoin and Cryptocurrency Technologies](https://bitcoinbook.cs.princeton.edu) - Arvind Narayanan, Joseph Bonneau, Edward Felten, Andrew Miller, Steven Goldfeder, Jeremy Clark (PDF)
* [Getting Started with Enterprise Blockchain: A Guide to Design and Development](https://www.ibm.com/downloads/cas/RYWXAR0M) - Michael Bradley, David Gorman, Matt Lucas, Matthew Golby-Kirk (PDF)
* [IBM Blockchain: The Founder’s Handbook, Third Edition](https://www.ibm.com/downloads/cas/GZPPMWM5) - Antonio Banda, Matthew Hamilton, Eileen Lowry, John Widdifield, et al. (PDF)
* [Learning Bitcoin from the Command Line](https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line) - Christopher Allen, Shannon Appelcline, et al. (HTML)
* [Mastering Bitcoin - Unlocking digital currencies (2017), 2nd Edition](https://github.com/bitcoinbook/bitcoinbook) - Andreas M. Antonopoulos (AsciiDoc)
* [Mastering Ethereum (2018), 1st Edition](https://github.com/ethereumbook/ethereumbook) - Andreas M. Antonopoulos, Gavin Wood (AsciiDoc)
* [Distributed Systems 3rd edition](https://www.distributed-systems.net/index.php/books/ds3/) - Maarten van Steen, Andrew S. Tanenbaum *(email address required)*
* [Streamline microservice management with Istio Service Mesh](https://developers.redhat.com/books/introducing-istio-service-mesh-microservices/) *(account required)*
* [The Developer’s Guide to Azure](https://azure.microsoft.com/en-us/campaigns/developer-guide/)
### Competitive Programming
* [Competitive Programmer's Handbook](https://cses.fi/book/book.pdf) - Antti Laaksonen (PDF)
* [Competitive Programming, 1st Edition](https://cpbook.net/#CP1details) - Steven Halim [(PDF)](https://www.comp.nus.edu.sg/~stevenha/myteaching/competitive_programming/cp1.pdf)
* [Competitive Programming, 2nd Edition](https://cpbook.net/#CP2details) - Steven Halim [(PDF)](https://www.comp.nus.edu.sg/~stevenha/myteaching/competitive_programming/cp2.pdf)
* [An Introduction to GCC](https://web.archive.org/web/20170326232435/http://www.network-theory.co.uk/docs/gccintro/index.html) - Brian Gough *(:card_file_box: archived)*
* [EXPL NITC: Build your own Compiler](https://silcnitc.github.io) - Murali Krishnan K., students in the Department of Computer Science and Engineering of the Calicut National Institute of Technology (HTML)
* [Implementing Functional Languages: A Tutorial](https://research.microsoft.com/en-us/um/people/simonpj/Papers/pj-lester-book/) - Simon Peyton Jones, David Lester
* [Practical and Theoretical Aspects of Compiler Construction](https://web.stanford.edu/class/archive/cs/cs143/cs143.1128/) (class lectures and slides)
* [A Data-Centric Introduction to Computing](https://dcic-world.org) - Kathi Fisler, Shriram Krishnamurthi, Benjamin S. Lerner, Joe Gibbs Politz (HTML)
* [What to Look for in a Code Review](https://leanpub.com/whattolookforinacodereview) - Trisha Gee (HTML, PDF, EPUB, Kindle) *(Leanpub account or valid email requested)*
* [CI/CD for Monorepos: Effectively building, testing, and deploying code with monorepos](https://github.com/semaphoreci/book-monorepo-cicd) - Pablo Tomas Fernandez Zavalia, Marko Anastasov, SemaphoreCI (PDF, EPUB, Kindle)
* [CI/CD with Docker and Kubernetes Book](https://github.com/semaphoreci/book-cicd-docker-kubernetes) - Marko Anastasov, Jérôme Petazzoni, Pablo Tom F. Zavalia, SemaphoreCI (PDF, EPUB, Kindle)
* [Dotnet Microservices Architecture for Containerized NET Applications](https://aka.ms/microservicesebook) - Cesar de la Torre, Bill Wagner, Mike Rousos (PDF)
* [Kubernetes Deployment & Security Patterns](https://resources.linuxfoundation.org/LF+Projects/CNCF/TheNewStack_Book2_KubernetesDeploymentAndSecurityPatterns.pdf) - Alex Williams (PDF)
* [High-Dimensional Data Analysis with Low-Dimensional Models: Principles, Computation, and Applications](https://book-wright-ma.github.io/Book-WM-20210422.pdf) - John Wright, Yi Ma (PDF)
* [Probability and Statistics with Examples using R](https://www.isibang.ac.in/~athreya/psweur/index.html#usage) - Siva Athreya, Deepayan Sarkar, Steve Tanner (HTML) (:construction: *in process*)
* [Database Management Systems Solutions Manual Third Edition](https://pages.cs.wisc.edu/~dbbook/openAccess/thirdEdition/solutions/ans3ed-oddonly.pdf) - Raghu Ramakrishnan, Johannes Gehrke, Jeff Derstadt, Scott Selikof, and Lin Zhu (PDF)
* [2D Game Development: From Zero To Hero](https://github.com/Penaz91/2DGD_F0TH) - Daniele Penazzo (HTML, [PDF, EBPUB, Kindle...](https://therealpenaz91.itch.io/2dgd-f0th#download)) (:construction: *in process*)
* [Level up your code with game programming patterns](https://resources.unity.com/games/level-up-your-code-with-game-programming-patterns) - Unity (HTML & PDF)
* [3D Game Shaders For Beginners](https://github.com/lettier/3d-game-shaders-for-beginners) - David Lettier (Git) [(HTML)](https://lettier.github.io/3d-game-shaders-for-beginners)
* [Blender 3D: Noob to Pro](https://en.wikibooks.org/wiki/Blender_3D%3A_Noob_to_Pro) - Wikibooks
* [Graphics Programming Black Book](https://www.gamedev.net/tutorials/_/technical/graphics-programming-and-theory/graphics-programming-black-book-r1698/) - Michael Abrash (PDF)
* [Learning Modern 3D Graphics Programming](https://web.archive.org/web/20150225192611/http://www.arcsynthesis.org/gltut/index.html) - Jason L. McKesson (draft) *(:card_file_box: archived)*
* [Learn Vim Progressively](https://yannesposito.com/Scratch/en/blog/Learn-Vim-Progressively/) - Yann Esposito
* [Learn Vimscript the Hard Way](https://learnvimscriptthehardway.stevelosh.com) - Steve Losh
* [The Craft of Text Editing or A Cookbook for an Emacs](https://www.finseth.com/craft/) - Craig A. Finseth (HTML, PDF, ePUB, Kindle, PostScript, LaTeX)
* [Vi Improved -- Vim](https://www.truth.sk/vim/vimbook-OPL.pdf) - Steve Oualline (PDF)
* [Vim Recipes](https://web.archive.org/web/20130302172911/http://vim.runpaint.org/vim-recipes.pdf) - Run Paint Run Run, Run Paint Press (PDF) *(:card_file_box: archived)*
* [Information Retrieval: Implementing and Evaluating Search Engines](https://mitmecsept.files.wordpress.com/2018/05/stefan-bc3bcttcher-charles-l-a-clarke-gordon-v-cormack-information-retrieval-implementing-and-evaluating-search-engines-2010-mit.pdf) - Stefan Böttcher, Charles L. A. Clarke, Gordon V. Cormack (PDF)
* [A Comprehensive Guide to Machine Learning](https://www.eecs189.org/static/resources/comprehensive-guide.pdf) - Soroush Nasiriany, Garrett Thomas, William Wang, Alex Yang (PDF)
* [A Course in Machine Learning](http://ciml.info/dl/v0_9/ciml-v0_9-all.pdf) (PDF)
* [A First Encounter with Machine Learning](https://web.archive.org/web/20210420163002/https://www.ics.uci.edu/~welling/teaching/ICS273Afall11/IntroMLBook.pdf) - Max Welling (PDF) *(:card_file_box: archived)*
* [Explorations in Parallel Distributed Processing: A Handbook of Models, Programs, and Exercises](https://web.stanford.edu/group/pdplab/pdphandbook) - James L. McClelland
* [Machine Learning, Neural and Statistical Classification](https://www1.maths.leeds.ac.uk/~charles/statlog/) - D. Michie, D.J. Spiegelhalter, C.C. Taylor
* [Machine Learning with Python](https://www.tutorialspoint.com/machine_learning_with_python/) - Tutorials Point (HTML, [PDF](https://www.tutorialspoint.com/machine_learning_with_python/machine_learning_with_python_tutorial.pdf))
* [Neural Network Design (2nd Edition)](https://hagan.okstate.edu/NNDesign.pdf) - Martin T. Hagan, Howard B. Demuth, Mark H. Beale, Orlando De Jesús (PDF)
* [Pattern Recognition and Machine Learning](https://www.microsoft.com/en-us/research/uploads/prod/2006/01/Bishop-Pattern-Recognition-and-Machine-Learning-2006.pdf) - Christopher M. Bishop (PDF)
* [Understanding Machine Learning: From Theory to Algorithms](https://www.cs.huji.ac.il/~shais/UnderstandingMachineLearning) - Shai Shalev-Shwartz, Shai Ben-David
### Mathematics
* [A Computational Introduction to Number Theory and Algebra](https://shoup.net/ntb/) - Victor Shoup
* [A First Course in Complex Analysis](https://matthbeck.github.io/papers/complexorth.pdf) - Matthias Beck, Gerald Marchesi, Dennis Pixton, Lucas Sabalka (PDF)
* [A Friendly Introduction to Mathematical Logic](https://milneopentextbooks.org/a-friendly-introduction-to-mathematical-logic/) - Christopher C. Leary, Lars Kristiansen
* [Algebra: Abstract and Concrete](https://homepage.divms.uiowa.edu/~goodman/algebrabook.dir/algebrabook.html) - Frederick Goodman
* [Algebra: An Elementary Text-Book, Part I (1904)](http://djm.cc/library/Algebra_Elementary_Text-Book_Part_I_Chrystal_edited.pdf) - G. Chrystal (PDF)
* [Algebra: An Elementary Text-Book, Part II (1900)](http://djm.cc/library/Algebra_Elementary_Text-Book_Part_II_Chrystal_edited02.pdf) - G. Chrystal (PDF)
* [Algebraic Topology](https://pi.math.cornell.edu/~hatcher/AT/ATpage.html) - Allen Hatcher (PDF)
* [An Introduction to the Theory of Numbers](http://www.trillia.com/moser-number.html) - Leo Moser (PDF)
* [Analytic Geometry (1922)](http://djm.cc/library/Analytic_Geometry_Siceloff_Wentworth_Smith_edited.pdf) - Lewis Parker Siceloff, George Wentworth, David Eugene Smith (PDF)
* [APEX Calculus](https://www.apexcalculus.com) - Gregory Hartman, Brian Heinold, Troy Siemers, and Dimplekumar Chalishajar
* [Bayesian Methods for Hackers](https://github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers) - Cameron Davidson-Pilon
* [Beginning and Intermediate Algebra](http://www.wallace.ccfaculty.org/book/book.html) - Tyler Wallace
* [Book of Proof](https://www.people.vcu.edu/~rhammack/BookOfProof/) - Richard Hammack [(PDF)](https://www.people.vcu.edu/~rhammack/BookOfProof/Main.pdf)
* [Computational and Inferential Thinking. The Foundations of Data Science](https://www.inferentialthinking.com) - Ani Adhikari, John DeNero, David Wagner
* [Elementary Differential Equations](http://ramanujan.math.trinity.edu/wtrench/texts/TRENCH_DIFF_EQNS_I.PDF) - William F. Trench (PDF)
* [Elementary Differential Equations (with Boundary Value Problems)](https://digitalcommons.trinity.edu/mono/9/) - William F. Trench
* [Elementary Number Theory: Primes, Congruences, and Secrets](https://wstein.org/ent/) - William Stein
* [Elementary Real Analysis](https://www.classicalrealanalysis.info/com/Elementary-Real-Analysis.php) - Brian S. Thomson, Judith B. Bruckner, Andrew M. Bruckner
* [Elements of Abstract and Linear Algebra](https://www.math.miami.edu/~ec/book/) - E. H. Connell
* [Elements of Differential and Integral Calculus (1911)](http://djm.cc/library/Elements_Differential_Integral_Calculus_Granville_edited_2.pdf) - William Anthony Granville (PDF)
* [First Course in Algebra (1910)](http://djm.cc/library/First_Algebra_Hawkes_Luby_Touton_edited.pdf) - Herbert E. Hawkes, William A. Luby, Frank C. Touton (PDF)
* [How We Got from There to Here: A Story of Real Analysis](https://milneopentextbooks.org/how-we-got-from-there-to-here-a-story-of-real-analysis/) - Robert Rogers, Eugene Boman
* [Introduction to Modern Statistics](https://openintro-ims.netlify.app) - Mine Çetinkaya-Rundel, Johanna Hardin (HTML, PDF) (email address required for PDF)
* [Introduction to Probability and Statistics Spring 2014](https://ocw.mit.edu/courses/mathematics/18-05-introduction-to-probability-and-statistics-spring-2014/)
* [Lecture Notes of Linear Algebra](https://home.iitk.ac.in/~psraj/mth102/lecture_notes.html) - P. Shunmugaraj, IIT Kanpur (PDF)
* [Lecture Notes on Linear Algebra](https://home.iitk.ac.in/~arlal/book/LA_Solution_Dec20.pdf) - Arbind K Lal, Sukant Pati (PDF) (:construction: *in process*)
* [Lies, Damned Lies, or Statistics: How to Tell the Truth with Statistics](https://www.poritz.net/jonathan/share/ldlos.pdf) - Jonathan A. Poritz (PDF)
* [Mathematical Discovery](https://classicalrealanalysis.info/com/Mathematical-Discovery.php) - Andrew M. Bruckner, Brian S. Thomson, Judith B. Bruckner
* [Plane Geometry (1913)](http://djm.cc/library/Plane_Geometry_Wentworth_Smith_edited.pdf) - George Wentworth, David Eugene Smith (PDF)
* [Planes and Spherical Trigonometry (1915)](http://djm.cc/library/Plane_Spherical_Trigonometry_Wentworth_Smith_edited_2.pdf) - George Wentworth, David Eugene Smith (PDF)
* [Precalculus](https://stitz-zeager.com) - Carl Stitz, Jeff Zeager [(PDF)](https://stitz-zeager.com/szprecalculus07042013.pdf)
* [Probability and Statistics Cookbook](http://statistics.zone)
* [Probability and Statistics EBook](http://wiki.stat.ucla.edu/socr/index.php/Probability_and_statistics_EBook)
* [Probability: Lectures and Labs](https://www.markhuberdatascience.org/probability-textbook) - Mark Huber
* [Recreations in Math](http://djm.cc/library/Recreations_in_Mathematics_Licks_edited.pdf) - H. E. Licks (PDF)
* [Sage for Undergraduates](http://www.gregorybard.com/books.html) - Gregory Bard
* [Second Course in Algebra](http://djm.cc/library/Second_Algebra_Hawkes_Luby_Touton_edited.pdf) - Herbert E. Hawkes, William A. Luby, Frank C. Touton (PDF)
* [Seven Sketches in Compositionality: An Invitation to Applied Category Theory](https://arxiv.org/pdf/1803.05316.pdf) - Brendan Fong, David I. Spivak (PDF)
* [Exploring Math for Programmers and Data Scientists](https://freecontent.manning.com/free-ebook-exploring-math-for-programmers-and-data-scientists/) - Paul Orland
* [10 Keys to Great Landing Pages](https://ithemes.com/wp-content/uploads/downloads/2012/09/10-keys-to-great-landing-pages-eBook.pdf) - iThemes Media (PDF)
* [2016 European Software Development Salary Survey](https://www.oreilly.com/radar/2016-european-software-development-salary-survey/) - Andy Oram, John King (HTML)
* [2016 Software Development Salary Survey](https://www.oreilly.com/radar/2016-software-development-salary-survey-report/) - John King, Roger Magoulas (HTML)
* [Asterisk™: The Definitive Guide](https://solmu.org/pub/help/Asterisk/3nd_Edition_for_Asterisk_1.8) - Leif Madsen, Jim Van Meggelen, Russell Bryant (HTML)
* [Confessions of an Unintentional CTO: Lessons in Growing a Web App](https://www.jackkinsella.ie/books/confessions_of_an_unintentional_cto) - Jack Kinsella
* ["DYNAMIC LINKED LIBRARIES": Paradigms of the GPL license in contemporary software](https://www.lulu.com/shop/http://www.lulu.com/shop/luis-enr%C3%ADquez-a/dynamic-linked-libraries-paradigms-of-the-gpl-license-in-contemporary-software/ebook/product-21419788.html) - Luis A. Enríquez
* [Encyclopedia of Human Computer Interaction 2nd Edition](https://www.interaction-design.org/literature/book/the-encyclopedia-of-human-computer-interaction-2nd-ed)
* [Hacknot: Essays on Software Development](https://www.lulu.com/shop/ed-johnson/hacknot-essays-on-software-development/ebook/product-17544641.html) - Ed Johnson
* [How to Become a Programmer](http://softwarebyrob.wpengine.netdna-cdn.com/assets/Software_by_Rob%20_How_to_Become_a%20_Programmer_1.0.pdf) - Rob Walling (PDF)
* [Information Technology and the Networked Economy](https://web.archive.org/web/20200731035935/https://florida.theorangegrove.org/og/file/49843a6a-9a9d-4bad-b4d4-d053f9cdf73e/1/InfoTechNetworkedEconomy.pdf) - Patrick McKeown (PDF) *(:card_file_box: archived)*
* [Introduction to Scientific Programming in C++ and Fortran](https://web.corral.tacc.utexas.edu/CompEdu/pdf/isp/EijkhoutIntroSciProgramming-book.pdf) - Victor Eijkhout (PDF)
* [IRPF90 Fortran code generator](https://www.gitbook.com/book/scemama/irpf90/details) - Anthony Scemama
* [Learn Programming](https://progbook.org) - Antti Salonen
* [Linked Data Patterns: A pattern catalogue for modelling, publishing, and consuming Linked Data](https://patterns.dataincubator.org/book/) - Leigh Dodds, Ian Davis
* [Networks, Crowds, and Markets: Reasoning About a Highly Connected World](https://www.cs.cornell.edu/home/kleinber/networks-book/) - David Easley, Jon Kleinberg
* [Open Government; Collaboration, Transparency, and Participation in Practice](https://github.com/oreillymedia/open_government) - Daniel Lathrop, Laurel Ruma
* [Principles of Computer System Design](http://ocw.mit.edu/resources/res-6-004-principles-of-computer-system-design-an-introduction-spring-2009/online-textbook/part_ii_open_5_0.pdf) (PDF)
* [Scientific Programming and Computer Architecture](https://divakarvi.github.io/bk-spca/spca.html) - Divakar Viswanath
* [Signal Computing: Digital Signals in the Software Domain](http://faculty.washington.edu/stiber/pubs/Signal-Computing/Signal%20Computing.pdf) - Michael Stiber, Bilin Zhang Stiber, Eric C. Larson (PDF)
* [Writing Native Mobile Apps in a Functional Language Succinctly](https://www.syncfusion.com/ebooks/writing_native_mobile_apps_in_a_functional_language_succinctly) - Vassili Kaplan
* [Bits, Signals, and Packets: An Introduction to Digital Communications and Networks](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-02-introduction-to-eecs-ii-digital-communication-systems-fall-2012/readings/)
* [Code Connected vol.1](https://hintjens.wdfiles.com/local--files/main%3Afiles/cc1pe.pdf) (PDF) (book on ZeroMQ)
* [Free Software, Free Society: Selected Essays of Richard M. Stallman](https://shop.fsf.org/product/free-software-free-society-2/)
* [Getting Started with InnerSource](https://www.oreilly.com/programming/free/getting-started-with-innersource.csp) (email address *requested*, not required)
* [Getting started with Open source development](https://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Getting_started_with_open_source_development_p2.pdf) (PDF)
* [Roads and Bridges: The Unseen Labor Behind Our Digital Infrastructure](https://www.fordfoundation.org/work/learning/research-reports/roads-and-bridges-the-unseen-labor-behind-our-digital-infrastructure/) - Nadia Eghbal
* [The Architecture of Open Source Applications: Vol. 1: Elegance, Evolution, and a Few Fearless Hacks; Vol. 2: Structure, Scale, and a Few More Feerless Hacks](https://www.aosabook.org/en/index.html)
* [The Art of Community](https://artofcommunityonline.org/Art_of_Community_Second_Edition.pdf) - Jono Bacon (PDF)
* [The Future of the Internet](https://futureoftheinternet.org) - Jonathan Zittrain
* [The Open Source Way](https://www.theopensourceway.org/book/)
* [The Wealth of Networks: How Social Production Transforms Markets and Freedom](https://cyber.law.harvard.edu/wealth_of_networks/Main_Page) - Yochai Benkler
* [Flexible Operating System Internals: The Design and Implementation of the Anykernel and Rump Kernels](https://aaltodoc.aalto.fi/handle/123456789/6318) - Antti Kantee (PDF)
* [How to Make a Computer Operating System](https://github.com/SamyPesse/How-to-Make-a-Computer-Operating-System) - Samy Pesse (:construction: *in process*)
* [Linux From Scratch](https://www.linuxfromscratch.org/lfs/view/stable/) - Gerard Beekmans, Bruce Dubbs, Ken Moffat, Pierre Labastie, et al. (HTML, [PDF, downloads...](https://www.linuxfromscratch.org/lfs/downloads/stable/))
* [Making Servers Work: A Practical Guide to Linux System Administration](https://www.digitalocean.com/community/books/sysadmin-ebook-making-servers-work) - Jamon Camisso (PDF, EPUB)
* [Operating Systems: Three Easy Pieces](https://pages.cs.wisc.edu/~remzi/OSTEP/) - Remzi H. Arpaci-Dusseau and Andrea C. Arpaci-Dusseau (PDF)
* [Practical File System Design: The Be File System](https://www.nobius.org/~dbg/practical-file-system-design.pdf) - Dominic Giampaolo (PDF)
* [Project Oberon: The Design of an Operating System, a Compiler, and a Computer](https://people.inf.ethz.ch/wirth/ProjectOberon/index.html) - Niklaus Wirth, Jürg Gutknecht (PDF)
* [UNIX Application and System Programming, lecture notes](http://www.compsci.hunter.cuny.edu/~sweiss/course_materials/unix_lecture_notes.php) - Stewart Weiss (PDF)
* [Xv6, a simple Unix-like teaching operating system](https://pdos.csail.mit.edu/6.828/2022/xv6.html) - Russ Cox, Frans Kaashoek and Robert Morris (PDF, HTML)
* [Is Parallel Programming Hard, And, If So, What Can You Do About It?](https://www.kernel.org/pub/linux/kernel/people/paulmck/perfbook/perfbook.html) - Paul E. McKenney
* [Programming on Parallel Machines; GPU, Multicore, Clusters and More](http://heather.cs.ucdavis.edu/parprocbook) - Norm Matloff
Kerridge (PDF) (email address *requested*, not required)
* [Clean Code Developer: An initiative for more professionalism in software development](https://www.gitbook.com/book/ccd_school/clean-code-developer-com/details) (:construction: *in process*)
* [Confessions of an IT Manager](https://www.red-gate.com/library/confessions-of-an-it-manager) - Phil Factor (PDF)
* [Don't Just Roll the Dice](https://www.red-gate.com/library/dont-just-roll-the-dice) - Neil Davidson (PDF)
* [How to Do What You Love & Earn What You’re Worth as a Programmer](https://leanpub.com/dowhatyoulove/read) - Reginald Braithwaite
* [How to Stand Out as a Software Engineer](https://github.com/lvndry/how-to-stand-out-as-a-software-engineer/blob/main/how_to_stand_out_as_a_software_engineer.pdf) - Landry Monga (PDF)
* [A Short Introduction to the Art of Programming (1971)](https://www.cs.utexas.edu/users/EWD/transcriptions/EWD03xx/EWD316.html) - Edsger W. Dijkstra (HTML)
* [Principled Programming / Introduction to Coding in Any Imperative Language](https://www.cs.cornell.edu/info/people/tt/Principled_Programming.html) - Tim Teitelbaum
* [Programming and Programming Languages](https://papl.cs.brown.edu/2019/) - Shriram Krishnamurthi
* [Structure and Interpretation of Computer Programs](https://web.mit.edu/6.001/6.037/sicp.pdf) - Harold Abelson, Gerald Jay Sussman, Julie Sussman (PDF)
* [Structure and Interpretation of Computer Programs](https://sarabander.github.io/sicp/html/index.xhtml) - Harold Abelson, Gerald Jay Sussman, Julie Sussman (HTML)
* [The Black Art of Programming](http://self.gutenberg.org/wplbn0002828847-the-black-art-of-programming-by-mcilroy-mark.aspx?) - Mark McIlroy
* [The Craft of Programming](https://kilthub.cmu.edu/articles/The_Craft_of_Programming/6610514) - John C. Reynolds
* [The Nature of Code](https://natureofcode.com/book) - Daniel Shiffman (HTML)
* [Think Complexity](https://greenteapress.com/wp/think-complexity-2e/) - - Allen B. Downey (2nd Edition) (PDF, HTML)
* [Making Sense of Stream Processing](https://assets.confluent.io/m/2a60fabedb2dfbb1/original/20190307-EB-Making_Sense_of_Stream_Processing_Confluent.pdf) - Martin Kleppmann (PDF)
* [Mostly Adequate Guide to Functional Programming](https://mostly-adequate.gitbooks.io/mostly-adequate-guide/content/) - Mostly Adequate Core Team
* [The Pure Function Pipeline Data Flow v3.0 ---- the Grand Unified Programming Theory](https://github.com/linpengcheng/PurefunctionPipelineDataflow) - Lin Pengcheng
* [Type Theory and Functional Programming](https://www.cs.kent.ac.uk/people/staff/sjt/TTFP/)
* [Introduction to Classical and Quantum Computing](https://www.thomaswong.net/introduction-to-classical-and-quantum-computing-1e3p.pdf) - Thomas G. Wong (PDF)
* [Elasticsearch: The Definitive Guide](https://www.elastic.co/guide/en/elasticsearch/guide/current/index.html) ([fork it on GH](https://github.com/elastic/elasticsearch-definitive-guide))
* [Gray Hat Hacking: The Ethical Hacker's Handbook](https://pages.cs.wisc.edu/~ace/media/gray-hat-hacking.pdf) - Allen Harper, Jonathan Ness, Chris Eagle, Shon Harris, Gideon Lenkey, Terron Williams (PDF)
* [Architectural Styles and the Design of Network-based Software Architectures](https://www.ics.uci.edu/~fielding/pubs/dissertation/top.htm) - Roy Thomas Fielding
* [Best Kept Secrets of Peer Code Review](https://smartbear.com/lp/ebook/collaborator/secrets-of-peer-code-review/)
* [Building Secure & Reliable Systems](https://static.googleusercontent.com/media/landing.google.com/en//sre/static/pdf/Building_Secure_and_Reliable_Systems.pdf) - Heather Adkins, Betsy Beyer, Paul Blankinship, Piotr Lewandowski, Ana Oprea, Adam Stubblefield (PDF)
* [Designing Event-Driven Systems. Concepts and Patterns for Streaming Services with Apache Kafka](https://assets.confluent.io/m/7a91acf41502a75e/original/20180328-EB-Confluent_Designing_Event_Driven_Systems.pdf) - Ben Stopford (PDF)
* [Guide to the Software Engineering Body of Knowledge](https://www.computer.org/education/bodies-of-knowledge/software-engineering/v3) (email address *requested*)
* [Microservices AntiPatterns and Pitfalls](http://web.archive.org/web/20210205164251/https://www.oreilly.com/programming/free/files/microservices-antipatterns-and-pitfalls.pdf) - Mark Richards (PDF) *(:card_file_box: archived)*
* [Microservices vs. Service-Oriented Architecture](https://www.oreilly.com/radar/microservices-vs-service-oriented-architecture/) - Mark Richards (HTML)
* [Reactive Microsystems: The Evolution of Microservices at Scale](https://www.lightbend.com/ebooks/reactive-microsystems-evolution-of-microservices-scalability-oreilly) (email address *requested*)
* [Serverless apps: Architecture, patterns, and Azure implementation](https://docs.microsoft.com/en-us/dotnet/standard/serverless-architecture/)
* [Serverless Design Patterns and Best Practices](https://www.packtpub.com/free-ebooks/serverless-design-patterns-and-best-practices) - Brian Zambrano (Packt account *required*)
* [Shape Up - Stop Running in Circles and Ship Work that Matters](https://basecamp.com/shapeup) - Ryan Singer (PDF)
* [The Site Reliability Workbook](https://landing.google.com/sre/workbook/toc/) - Betsy Beyer, Niall Richard Murphy, David K. Rensin, Kent Kawahara, Stephen Thorne
* [Delftse Foundations of Computation](https://textbooks.open.tudelft.nl/textbooks/catalog/book/13) - Stefan Hugtenburgand, Neil Yorke-Smith @ TU Delft Open (PDF)
* [Principles of Programming Languages](https://web.archive.org/web/20150418034451/http://www.cs.jhu.edu/~scott/pl/book/dist/) - Scott F. Smith *(:card_file_box: archived)*
