My Favorite Links:

Cards:

Early History of Playing Cards
International Playing-Card Society
Norma Cowie
Pamela Colman Smith
Tarotpedia
World of Playing Cards

Libertarian:

Cato Institute
Craigslist
DMOZ
Electronic Frontier Foundation
FBreader
Filezilla
FIRE
Foundation for Economic Education
Founding Fathers
Free Software Foundation
Independent Women's Forum
Ixquick
Libertarian Guide
Liberté-Chérie
Libervis
MIT Open Course Ware
Mozilla
Online Library of Liberty
Open Culture
Open Knowledge Foundation
Open Office
Open Source for America
Opera
Save the Internet
Scribd
Scroogle
Skype
Slashdot
SourceForge
Technorati
Tor
Transparency International
Ubuntu Linux & Wubi Installer
WordPress
Zoho

Minimalism:

Becoming Minimalist
Daily Zen
Everyday Minimalist
Far Beyond the Stars
Live It With Less
Minimal
Minimal Links
The Minimalist Path
Miss Minimalist
Simplicity by Sunny
Smplist
Zen Habits

Sky & Stars:

Astronomy Picture of the Day
Cloud Appreciation Society
Moon Phases
NASA
Sky & Telescope
StarDate Online
Stellarium
Wikisky
Your Sky

Tea:

Book of Tea
Boston Tea Party
Bubble Tea
Chado Encyclopedia
Chanoyu
Noble Harbor
Tea Classics
Tea FAQ
Tea from A to Tea
Tea Hyakka
Tea Leaves