<http://sci-hub.org/> or <http://myescience.org/>

<http://reddit.com/r/scholar>

<https://facebook.com/groups/freepapers>

<https://groups.google.com/group/getarticles>

<https://groups.google.com/group/getarticles2>

<https://groups.google.com/group/slwaterflow>

<https://groups.google.com/group/science-liberation-front>

<http://thepaperbay.com/>

<http://articleak.allalla.com/>

<http://www.pirateuniversity.org/>

<https://en.wikipedia.org/wiki/Wikipedia:WikiProject_Resource_Exchange/Resource_Request>

<http://lesswrong.com/lw/eto/lesswrong_help_desk_free_paper_downloads_and_more/>

<http://expaper.cn/>

<http://aaaaarg.org/>

<http://www.ccapprox.info/pod/pod.php>

# library genesis

<http://libgen.org/>
<http://gen.lib.rus.ec>
<http://bookfi.org/>
<http://www.libgen.info/> (www is a different server from libgen.info?)
<http://www.libgen.net/> (this seems to have the same IP as www.libgen.info)
<http://vnuki.org/>
<http://bookos.org>
<http://u76v7ha6j4jmtz3k2lseaso5qy36lxs77klhovmptufwcodovatq.b32.i2p/>

# other things worth knowing about

<http://groups.google.com/group/science-liberation-front>

<https://github.com/kanzure/pdfparanoia>

<https://github.com/kanzure/paperbot>