Here you can find a list of relevant resources that you may find useful for learning new skills, or polishing the ones you already have.
The topics cover a wide variety of topics, from basic Python coding to general developing guidelines.
Feel free to create a pull request in Zulip's GitHub repository with any interesting books, articles or videos you would like to see in this list.
Some titles have been shortened for organizational purposes.
Book - Clean Code: A Handbook of Agile Software Craftsmanship (Not free!)
Books - Free programming books list
Blog - Free Code Camp blog
Blog - Idle Words talks transcripts
Tutorial - HTTP Can Do That?!, by Sumana Harihareswara (PyCon 2016)
Video - Minimum Viable Documentation, by Matthew Lyon (WriteTheDocs 2014)
Video - NoOps, by Kelsey Hightower (DepOpsDays 2016)
Video - The mind behind Linux (TED interview)
Tutorial - Learn code the hard way
Tutorial - What happens when...
Article - An Interview With Linus Torvalds
Article - Effective Learning Strategies for Programmers
Article - Readme Driven Development
Article - Systematic Debugging
Paper - Floating-Point Arithmetic
Video - Intro to Python for beginners, by Jessica McKellar (PyCon 2013)
Video - Breaking the rules, by Jessica McKellar (PyCon Sweden)
Video - Build & break a Python sandbox, by Jessica McKellar (PyCon 2014)
Video - Cache me if you can, by Guillaume Ardaud (PyCon 2014)
Video - Loop like a native, by Ned Batchelder (PyCon 2013)
Video - Modern Dictionaries, by Raymond Hettinger (SF Python)
Video - Python Language, by Guido van Rossum (PyCon 2016)
Video - The Mighty Dictionary, by Brandon Rhodes (PyCon 2010)
Tutorial - Code Like a Pythonista: Idiomatic Python
Article - Static types in Python, oh my(py)!
Guide - The Hitchhiker’s Guide to Python!
Course - Android Development for Beginners
Blog - Java Tutorials for Beginners
Tutorial - clean-code-javascript Software engineering principles
Course - React native and redux course (Not free!)
Slides - TypeScript vs. CoffeeScript vs. ES6
You may want to take a look first at our Git and GitHub guide.
Article - Git tips
Blog - GeeksforGeeks
Book Introduction to Algorithms (Not free!)
Blog - Setosa data visualization and visual explanations
Course - Algorithms, Part I
Course - Open Source Society University
Course - MIT CSAIL 6.828: Operative Systems Engineering
Book - Producing Open Source Software
Article - Advice on Starting And Running A New Open Source Project
Article - How to ask good questions
Article - Notes for New FLOSS Contributors
Article - To be mentored
Article - To mentor