Books 

$100 Startup - Tweeted

Anything You Want

Blue Ocean Strategy

Business Model Generation

Don’t Make Me Think

Goal Kicker - Programming books for professionals (F)

Getting Things Done

Globality - competing with everyone from everywhere for everything

Good To Great

Hooked: How to build habit forming products

How to start a successful business - The first time

In For A Penny

List of free programming books (F)

Maverick Startup

Meatball Sundae

Necessary But Not Sufficient

Put It In Writing 

Porchlight books - Bulk book buying service for organisations

Running Lean

Screw It, Let's Do It

Start Small, Stay Small

Startup from the ground up

Startups Open Sourced

Stop Bitching, Start Pitching

The Checklist Manifesto

The Four Hour Workweek

The Innovation Playbook

The Knack

The Lean Startup

The No Asshole Rule

The Startup Owners Manual

The World is Flat

Unstuck