there's quite a lot out there...
lingbuzz, linguistics papers archive
semantics archive
punks in science
rutgers ot archive
fintel semantics web log
distributed morphologists' archive
semitic linguistics archive
forum for iranian linguistics
government phonology papers
snippets online squibs
journal: linguistic discovery
the free eastern-european summer school in generative grammar
the free st. petersburg institute for cognitive and cultural studies
the free south american summer school in formal linguistics
a web locker with over 115 scanned PDFs of linguistics dissertations from m.i.t.
a web locker with many scanned pdfs of papers on phonological features, harmony, and dissimilation
language bar, one of many good and open-commentary linguistics blogs
AILLA, a digital archive of recordings and texts of indigenous languages of the americas

....and, with good people like you, more people who prefer non-profit linguistic distribution and activity...growing every day!