- Write the Docs - How to write a good documentation.
- HTTP Status Codes Decision Diagram
- HTTP Status Codes - Easy to reference database of HTTP Status Codes with their definitions and helpful code references all in one place.
- SS64 | Command line reference
- Book Depository
- Goal Kicker - The best of Stack Overflow Documentation compiled into easy to read PDF books
- Manning
- Packt Publishing
- The Pragmatic Bookshelf
- Inside the Head of PyDanny
- Jacob Kaplan-Moss - Blog one of Django core contributors.
- Joel on Software
- Randall Degges - Random Thoughts of a Happy Programmer.
- Revolution Systems Blog
- Simple Is Better Than Complex
- Codecademy
- Coursera
- DataCamp
- Khan Academy
- Pluralsight
- Safari, the world's most comprehensive tech & business learning platform
- Udacity
- Udemy
- CodeAbbey
- CodeChef
- CodeEval
- Coderbyte
- Codewars
- Codility
- CodinGame
- DailyProgrammer
- Exercism
- Geektastic
- HackerEarth
- HackerRank
- Kaggle
- LeetCode
- Practice Python
- Project Euler
- Python Challenge
- Rosetta Code
- Rozwal.to
- SkillValue
- SPOJ
- Topcoder
- Wargames - OverTheWire
- Apple Developer
- Google Developers
- MDN Web Docs
- FOLDOC - Free On-Line Dictionary of Computing
- Source Making
- The Hitchhiker’s Guide to Python!
- The Jargon File
- The Linux Documentation Project
- Use The Index, Luke! - A guide to database performance for developers
- DDD Community
- DDD Resources
- Awesome Django - A curated list of awesome Django apps, projects and resources.
- Awesome Python - A curated list of awesome Python frameworks, libraries, software and resources.
- Everything curl - Extensive guide to everything there is to know about curl, the project, the command-line tool, the library, how everything started and how it came to be what it is today
- O’Reilly Media - Technology and business training, knowledge, and insight, delivered by experts and innovators
- Linux Performance
- A pattern language for microservices
- Azure Architecture Center
- Martin Fowler's Books
- ECMAScript 6 - New Features: Overview & Comparison
- ECMAScript 6 features overview
- ES6 Overview in 350 Bullet Points
- JavaScript.info - The Modern JavaScript Tutorial
- JavaScript LaunchPad
- Promises
- Cyber Security
- OWASP - Open Web Application Security Project
- HTTP Working Group
- Internet Engineering Task Force (IETF)
- Web Hypertext Application Technology Working Group
- World Wide Web Consortium (W3C)
- webcomponents.org
- websocket.org
- Brandon Rhodes
- Craig Larman
- David Beazley
- Erich Gamma
- Jeff Atwood
- Kent Beck
- Kevlin Henney
- Mark Lutz
- Martin Fowler
- Michael Feathers
- Raymond Hettinger
- Robert C. Martin