Robotics	Alogrithms
Artificial Intelligence	Virtual Reality
Fonts	Games
Programming	Operating Systems
Open Source	Graphics
Data Formats	Desktop Publishing
Hacking	Systems
Security	Software
Hardware

Entertainment portal
Download some of the best freeware softwares, download ringtones, use windows XP tweaks, play online games, send SMS jokes and much more on a single site.
http://www.meethere.org/

Free links directory
SEO-friendly directory of the websites organized by topics into categories. All listings are edited and reviewed by editors to maintain quality of the listings. Offered paid and free listings.
http://www.getlinks4free.com/