The man pages :)

Simplest intro to git I can think of by github and codeschool - Try Git

Git for the lazy

[Intro to github] (http://gun.io/blog/how-to-github-fork-branch-and-pull-request/)

A very simple tutorial to start with. Intro to git for web designers

A very decent book on git. Spend some time and read it cover to cover. Pro Git book

Help.Github

Git from bottom up is another good book

Git magic is an online book on Git well written with wonderful analogies to help beginners understand the concepts behind Git

Git Ready

A Note About Git Commit Messages A must read on commit message style.

Think Like (a) Git

Github Cheat-sheets

Git-fu

Everyday GIT With 20 Commands Or So learn Git basics through the most common commands with examples

Git is simpler

Why Git is Better than X

git community book

Seth Robertson's blog gives some real insight into git internals and good practices

Git Immersion walks you through Git basics using a step-by-step, hands-on approach. It’s a great tutorial for those who prefer to get into Git right away.

Introduction to Git with Scott Chacon of GitHub This talk introduces Git, compares it with Subversion, dig into staging and committing, how it stores it's data, how it branches and merges so nicely and how it talks to a server when pushing and fetching. The talk looks at how to analyze history with log in interesting ways and should help Git newbies get acquainted with the popular VCS and other Git users get a glimpse of what's happening under the hood.

Tech Talk: Linus Torvalds on git Linus Torvalds visits Google to share his thoughts on git, the source control management system he created to manage the kernel source. More philosophy than tech, this talk covers the history and design principles of Git.