Not everybody can afford a study at an university, either cause you cannot afford it or you have other obstacles e.g a mother or father taking care of children. However, this should not stop you to study what you like. There are some nice collections of resources that allow you to study informatics, programming and sw engineering for free.
This is my multi-month study plan for going from web developer (self-taught, no CS degree) to software engineer for a large company.
Below you find a set of charts demonstrating the paths that you can take and the technologies that you would want to adopt in order to become a frontend, backend or a devops.
This list was originally a clone of StackOverflow - List of Freely Available Programming Books with contributions from Karan Bhangui and George Stocker.
There are plenty of interesting services (XaaS) out there and some offer even free tiers for developers and small teams
Learn to ship software like a pro. There’s no substitute for hands-on experience. But for most students, real world tools can be cost-prohibitive. That’s why we created the GitHub Student Developer Pack with some of our partners and friends: to give students free access to the best developer tools in one place so they can learn by doing.
Get started in Design and Tech: Weekly videos in UX / UI / Development and Data Analytics
E-Learning Platforms with free courses
Some E-Learning platforms offer free courses and affordable certificates:
I started to create dedicate list here which I keep updating with new links.