Here’s a collection of helpful links. Feel free to suggest more.

Organizations:

IGDA Analog SIG Facebook Page

Card & Board Game Designers Guild

Board Game Designers Forum

Events:

Global Game Jam

Origins Game Fair

GenCon

Spiel Essen

BGG Con

PAX Unplugged

Information:

Ludology

Cardboard Edison

Game Maker’s Toolkit

Production:

The Game Crafter

Board Games Maker

Print & Play

PrintNinja

Panda Game Manufacturing

Resources:

Game-Icons.net — find and create the perfect icons for your prototypes

Gridzzly.com — make your own custom grid paper