Tex
Bibliography
General
TEX Catalogue (Graham Williams)
Metapost
Personal home pages
PGF
Postscript
PSTricks
Tex Writer (beautiful iPad app)
General
CTAN
DANTE
Melusine
tex-archive
TEX from AMS
TEX from UPenn
TEX from Giessen University
GUIT (Italian)
LaTEX resources
Personal home pages
Nelson Beebe in Salt Lake City
Luc Devroye in Montreal
Fonts on the web
Yannis Haralambous in Brest
John Hobby in Murray Hill
Ingo Klöckl in Mainz
Donald Knuth in Stanford
Edoardo Ochs in Rio de Janeiro
Scott Pakin
Pedro Quaresma in Coimbra
Matthew Suderman in Montreal
PGF
Download
PSTricks
PSTricks home
Ahmad Daaboulin Marne-la-Vallée
Timothy Van Zandtin Fontainebleau