Dropbox – 2 Megas of free online storage. Very useful in automatic synching between more than one machine.
R – free software for statistical computing.
Zotero – free software for organizing references.
Experigen – free online platform for creating experiments in linguistics. By Michael Becker and Jonathan Levine.
Phonetics – the sounds of American English – very cool site with animations and video clips for each sound of American English.
PhD comics – be careful what you wish for…
Rothstein, R.A. “How It Was Sung in Odessa: At the Intersection of Russian and Yiddish Folk Culture,” Slavic Review 60 (2001): 781-801.