Coding/Programming

Web

Web Language Docs

Web
SOAP (XML)	GraphQL	HTML
CSS	JavaScript	Web.Dev (Web Language Learning) !
Front-end Checklist	Devhints !

Online Web Coding Environments

Guides

System Coding

General

Interactive language learning Repo from @ronreiter	Roadmap.sh - Collection of free language learning resources by developer job role !
LearnXinYminutes- Language Learning Site	DevDocs - searchable library of various common API documentation
Python Tutorial	Free Programming Books

Docs

Linux/Shellcode

Tools/Helpers

Challenges