Math-Links:
Browse arXiv.org
MathSciNet, the Mathematical Reviews on the Web
John Baez's Stuff, learn something there!
Linear Algebraic Groups and Related Structures Preprint Archives
Homepage of Basel's Math Institute
The Algebra and Topology Seminar in Basel
The Oberwohlfach seminar
The Grothendieck Circle
Some online math books
Ressources:
The Wikipedia
Trésor du Français
Dictionnaire de Synonymes
Dizionario De Mauro Online
Merriam-Webster Online Dictionary
Diccionario de la lengua española
Das digitale Wörterbuch der deutschen Sprachen
L'Oulipo
Google Scholar
Google Maps
The Internet Movie Database
The Social Music Revolution
Calendes Grecques
Linux Commands
Sourceforge
Personal Links:
BZFlag, a very nice tank-game
Les Murmures du Donjon, un site complet sur la bd Donjon.
Skate, quelques vieilles photos de moi à Barcelone
Deedeeace productions, music for your ears
Zongo homepage, my alter ego