the Comprehensive TeX Archive Network

the Comprehensive TeX Archive Network: "he Comprehensive TeX Archive Network is the authoritative collection of materials related to the TeX typesetting system. Are you new here? You can learn about TeX, LaTeX, and friends. Then our introduction page will get you started. Can we be of service? If you're looking for something TeX related then you've come to the right place. * Know exactly what you want? You can search for a file by name. * Know sort-of what you want? You can search package description or documentation. * Just looking? You can browse through our directories."