The nLab: "a wiki-lab for collaborative work on Mathematics, Physics and Philosophy — especially from the n-point of view: in so far as these subjects are usefully treated with tools and notions of category theory or higher category theory"

String theory wiki: "this wiki is aimed at students learning string theory. It lists and reviews useful string theory resources, such as books and review papers."

MathNet: общероссийский математический портал

HepThWiki : conferences on strings and that sort of science manily  held in Russia, funding opportunities, seminar lists

Ilmar's homepage

Postdocrumors: rumors on postdoctoral positions (if anyone is interested)

Alexander von Humboldt foundation: a non-commercial foundation based in Germany providing support to researchers world-wide

HEP Jobs: an updated version of the old InspireHEP's Jobs section

Кафедра теоретической физики МФТИ

P.K. Townsend, Four lectures on M-theory 

P.K. Townsend, Brane surgery

W. Taylor, The M(atrix) model of M-theory