hackerthreads.com
Sale of caps, T-shirts and jackets to hackers not crackers

Think Geek
These people sell a broad range of hacker/geek related products. They sell everything from Jolt cola to Hacking Exposed.

Hackers Home Page
Most comprehensive on-line catalog designed for the serious computer hacker, phreaker, cracker, dss/cable tv user, gambler, spy, and electronics enthusiast.

Consumertronics
Hi-tech books, manuals, software. Special projects: computers, internet, electronics, hacking, phreaking, phones, energy, security, survival, financial, medical, paranormal.

Jinx Hackwear
A store selling many items of hacker clothing.

Copyleft Merchandise
Supporting the development of free software. Offers sales of wearable goods, mugs, stickers and gifts.

Mac Security Store
DEF CON 9 T-Shirts, Discounted books, and Macintosh Hacking Security CDs

2600 Store
Store where you can buy shirts, hats, stickers, and issues of 2600 The Hacker Quarterly.

The Happy Hacker Bookstore
A very good store for books about hacking and internet security.

Mac Hack CD-Rom
Macintosh Hacking Merchandise for Sale.

Hacker's Black Book
Sells hardbound book in English and German, CD-Rom and membership access to files.

BlackCode CD
Official BlackCode hacking archive available on CD.

Global Goodys
Features Iron Feather Journal magazine, movies, and t-shirts.

Hacker Stickers
Features gear for hackers, coders and geeks such as caffeine Candy, energy mints, hacker T-shirts and stickers.

Geekware.co.nz
Offers a 'g0t r00t' shirt along with OS logo shirts.

HackersCatalog.com
Offers smartcard hardware, videos on hacking, and software on CDs.

Be A Hacker
Offers products for computer security and cellular.