I am not affiliated with any providers, services or websites in this post, unless otherwise explicitly stated (like the optional DigitalOcean referral link). Any of the resources I mention below, which I have used myself to any extend, are marked with a * before its name, otherwise they are resources I have found which seemed interesting or was recommended to me by others.
The list is in no particular order.
List of programming resources
A lot of books for you to download.
A lot of free online courses.
Aimed towards kids but a very good resource for completely beginners.
Programming notes for professionals - a lot notes of frameworks and languages, from Stack Overflow
“How it’s done now. From the basics to advanced topics with simple, but detailed explanations.”
Learn Python, JS, CoffeeScript and LUA by essentially playing a game. They have a free demo.
High quality courses. Subscription based. 10 day free trial.
High quality courses. You purchase individual courses.
Basically Lynda.com, they have a free trial.
Best Overall Courses
List of information & cyber security resources.
Free and open source security and IT resources.
Free and open software security community.
If you are interested in becoming a Certified Ethical Hacker, this is the place.
I can recommend the *"Certified Ethical Hacker Study Guide" by
Certification & Degrees
List of resources which provide courses for certifications and degrees.
High quality courses in just about any IT certification you could want (within reason). They have a free starter pack.
Courses and learning material from universities and companies. Free access to most (all?) material, but requires payment for certifications.
Your mileage might vary, always do your own research and don't just take my recommendation and run with it.
Providers I have used and can recommend (at the time of using them):
Germany based Dedicated, VPS & Cloud hosting provider.
US based VPS hosting provider.
VPS hosting provider.
US based Cloud hosting provider, acquired by Salesforce. They have a free tier.
US based Cloud hosting provider. They have a free tier.
US based Cloud hosting provider.
US based Dedicated & Cloud hosting provider.
MongoDB hosting provider. They have a free tier.
Other resources which are more specific to a single thing, or does not fit any of the above categories.
React In Patterns
A book about common design patterns used while developing with React.
Learn CSS Flexbox while killing zombies.
Why you should adopt it immediately.
CSS Flexbox Cheatsheet
A Complete Guide to Flexbox.
Front-End Front is a place where front-end developers can ask questions, share interesting links, and show their work to the rest of the community.
You Don't Know JS
The twelve-factor app is a methodology for building secure software-as-a-service apps.
*MDN Web Docs
The documentation for HTML, CSS, JS and Web API.