📚 Learning & Documentation

Free courses, university lectures, manuals and references for learning Linux, programming, web development and databases.

Open in the interactive Digital Resources

ArchWiki
wiki.archlinux.org
One of the most detailed Linux wikis. Useful for any distribution, not only Arch Linux.
- #LINUX
- #WIKI
- #REFERENCE
The Debian Administrator's Handbook
debian-handbook.info
A free book about installing and running Debian servers and desktops.
- #LINUX
- #DEBIAN
- #BOOK
Linux Journey
linuxjourney.com
Short, beginner-friendly lessons about the Linux command line, processes, networking and more.
- #LINUX
- #BEGINNER
- #COURSE
tldr pages
tldr.sh
Simple, practical examples for common command-line tools – a quick alternative to long man pages.
- #COMMAND-LINE
- #CHEATSHEET
- #OPEN-SOURCE
explainshell
explainshell.com
Paste a shell command and see what each part of it does.
- #COMMAND-LINE
- #BASH
- #TOOL
OverTheWire: Bandit
overthewire.org
A game where you learn the Linux command line and basic security by solving small challenges.
- #LINUX
- #SECURITY
- #GAME
MDN Web Docs
developer.mozilla.org
The main reference for HTML, CSS and JavaScript, with clear examples and beginner guides.
- #WEB
- #HTML
- #JAVASCRIPT
DevDocs
devdocs.io
Documentation for many programming languages and tools in one searchable place. Works offline.
- #REFERENCE
- #OFFLINE
- #OPEN-SOURCE
freeCodeCamp
freecodecamp.org
Free interactive courses and certificates in web development, Python, databases and more.
- #PROGRAMMING
- #COURSE
- #CERTIFICATE
The Odin Project
theodinproject.com
A free, open-source path for learning full-stack web development through real projects.
- #WEB
- #COURSE
- #OPEN-SOURCE
Exercism
exercism.org
Practise programming in more than 70 languages with small exercises and optional mentoring.
- #PROGRAMMING
- #PRACTICE
- #OPEN-SOURCE
CS50 (Harvard)
cs50.harvard.edu
A well-known free introduction to computer science, with video lectures and exercises.
- #COMPUTER-SCIENCE
- #COURSE
- #VIDEO
MIT OpenCourseWare
ocw.mit.edu
Free lecture notes, exams and videos from thousands of MIT courses.
- #UNIVERSITY
- #COURSE
- #VIDEO
VideoLectures.NET
videolectures.net
A large archive of recorded lectures and conference talks from science and research, run in Slovenia by the Jožef Stefan Institute.
- #UNIVERSITY
- #VIDEO
- #SLOVENIA
OpenLearn (The Open University)
open.edu
Hundreds of free short courses from the UK Open University, including computing and IT.
- #UNIVERSITY
- #COURSE
- #CERTIFICATE
edX
edx.org
Courses from Harvard, MIT and other universities. Most can be audited for free, but graded work and certificates are paid, and free access is often time-limited.
- #UNIVERSITY
- #COURSE
- #AUDIT
Coursera
coursera.org
Courses from universities and companies. Many can be followed for free in audit mode; certificates and some programmes are paid.
- #UNIVERSITY
- #COURSE
- #AUDIT
Khan Academy – Computing
khanacademy.org
Free lessons in programming, computer science and how the internet works, suitable for beginners. Only the optional AI tutor (Khanmigo) is paid.
- #BEGINNER
- #COURSE
- #NON-PROFIT
SQLBolt
sqlbolt.com
Interactive lessons for learning SQL directly in the browser.
- #DATABASE
- #SQL
- #BEGINNER
Python Documentation
docs.python.org
The official Python tutorial and reference for the language and its standard library.
- #PYTHON
- #REFERENCE
- #OFFICIAL