Sites

Vim main site

Vim Awesome
Awesome Vim plugins from across the Universe
vim tips and tricks
These pages contain some vim tips. They are somewhat advanced, and meant for people that have been using vim for a semester or two already.
vim.wikia.com
Vim Tips wiki
VIM adventures
Learn Vim while playing a game
Vimdoc
Vim logo

Tutorials

A vim Tutorial and Primer

Vim PDF Documentation

25 Vim Tutorials, Screencasts, and Resources

Graphical vi-vim Cheat Sheet and Tutorial

Vim graphical cheat sheet

Vim as an IDE

Five Minute Vimscript

Articles

Turn Vim Into Excel: Tips for Editing Tabular Data

Your problem with Vim is that you don’t grok vi.
popular stackoverflow answer

Vim Text Objects: The Definitive Guide

Learning Vim in 2014: Vim as Language

Config

scrooloose/vimfiles
The ~/.vim directory that we share at work

How to

Completion

Make Vim completion popup menu work just like in an IDE
(vim.wikia.com)
Omni completion
(vim.wikia.com)
word & line completion
(vim tips and tricks)