Windows & Microsoft
12 LINKSOfficial free training and help for Windows, Office and everything Microsoft.
Official learning (8)▶
Microsoft Learn — Free courses & certifications paths for everything Microsoftlearn.microsoft.comMicrosoft Learn training browser — Browse every free module by topiclearn.microsoft.comWindows help & learning — Official Windows how-to guidessupport.microsoft.comMicrosoft 365 training — Free Word, Excel, PowerPoint & Outlook trainingsupport.microsoft.comMicrosoft 365 Copilot help — Learn Microsoft's AI toolssupport.microsoft.comPowerShell docs — Learn Windows automation from the sourcelearn.microsoft.comWindows Sysinternals docs — Power-user tools explainedlearn.microsoft.comMicrosoft Q&A — Ask Microsoft experts, freelearn.microsoft.com
Free training across Google's whole world — search, cloud, ads, AI and workspace.
Official learning (9)▶
Google Developers — Docs & codelabs for every Google productdevelopers.google.comGoogle Codelabs — Free hands-on guided coding tutorialscodelabs.developers.google.comGoogle Skillshop — Free certifications for Google Ads, Analytics & moreskillshop.exceedlms.comGoogle Cloud Skills Boost — Free Google Cloud courses & labscloudskillsboost.googleGrow with Google — Free career & digital skills traininggrow.googleGoogle AI learning — Free AI courses from Googleai.googleGoogle Workspace Learning Center — Learn Gmail, Docs, Sheets, Drive properlysupport.google.comApplied Digital Skills — Free video-based practical lessonsapplieddigitalskills.withgoogle.comFirebase docs — Build apps on Google's free tierfirebase.google.com
Android
7 LINKSLearn to use — and build for — Android, straight from the source.
Using Android (2)▶
Building for Android (5)▶
Android Developers — The official home of Android developmentdeveloper.android.comAndroid Basics with Compose — Free full beginner course by Googledeveloper.android.comAndroid Codelabs — Guided hands-on tutorialsdeveloper.android.comKotlin docs — Android's main language, official docskotlinlang.orgAndroid Open Source Project — How Android itself is builtsource.android.com
Apple
7 LINKSFree official guides for iPhone, iPad, Mac — and building apps for them.
Using Apple devices (3)▶
Linux
11 LINKSFrom first boot to power user — all free, like Linux itself.
Start here (4)▶
Go deeper (7)▶
Arch Wiki — The best Linux documentation on Earthwiki.archlinux.orgDebian Wiki — Deep Debian knowledgewiki.debian.orgThe Linux Documentation Project — Classic in-depth guidestldp.orgLinux command library — Every command explainedlinuxcommandlibrary.comExplainShell — Paste any command, see what each part doesexplainshell.comOverTheWire Bandit — Learn the terminal by playing a gameoverthewire.orgIt's FOSS tutorials — Practical Linux how-tositsfoss.com
Coding & Web
16 LINKSLearn to code for free — these are the best on the internet, no catches.
Full free courses (6)▶
freeCodeCamp — Thousands of hours of free certified coursesfreecodecamp.orgThe Odin Project — Free full-stack web dev curriculumtheodinproject.comHarvard CS50 — Harvard's legendary intro to computer science, freecs50.harvard.eduKhan Academy Computing — Free from absolute zerokhanacademy.orgExercism — Free practice in 70+ languages with mentorsexercism.orgScrimba (free courses) — Interactive screencasts, big free tierscrimba.com
References & docs (6)▶
MDN Web Docs — THE reference for HTML, CSS & JavaScriptdeveloper.mozilla.orgW3Schools — Quick lookups with try-it editorsw3schools.comroadmap.sh — Visual maps of what to learn, in orderroadmap.shDevDocs — All programming docs in one fast appdevdocs.ioGeeksforGeeks — Huge free CS tutorial librarygeeksforgeeks.orgStack Overflow — Every coding question ever askedstackoverflow.com
AI
8 LINKSUnderstand and use AI properly — free courses from the labs building it.
Free AI learning (8)▶
Anthropic Academy — Free courses on using Claude & building with AIanthropic.comGoogle AI courses — Google's free AI skills trainingai.googleMicrosoft AI on Learn — Free Microsoft AI moduleslearn.microsoft.comElements of AI — Famous free AI course for everyone, no maths neededelementsofai.comfast.ai — Free practical deep learning coursefast.aiHugging Face Learn — Free open-source AI courseshuggingface.coOpenAI Academy — Free ChatGPT & AI literacy coursesacademy.openai.comDeepLearning.AI short courses — Free bite-size AI coursesdeeplearning.ai