Paperpile is an indispensable tool for finding, organizing, and storing PDFs (also helpful for when it comes to writing papers). I was part of the beta test and continue to use it daily.
Link to my webpage at Environment and Climate Change Canada's Canadian Centre for Climate Modelling and Analysis
(usually out of date...)
(usually out of date...)
ESSA Technologies Ltd. (Post-doc intern 2010 - 2011)