From the Oblivion thread:


List of Skyrim Mods download/upload sites
Changelog see post #2

http://www.zenimax.com/external.php?locale=en-us&url=http://afkmods.iguanadons.net/
http://www.zenimax.com/external.php?locale=en-us&url=http://www.theassimilationlab.com/forums/


http://www.zenimax.com/external.php?locale=en-us&url=http://www.darkcreations.org/forums/files/category/27-tes-v-skyrim/


http://www.zenimax.com/external.php?locale=en-us&url=http://planetelderscrolls.ign.com/ (Download Only)


http://www.zenimax.com/external.php?locale=en-us&url=http://steamcommunity.com/sharedfiles/browse/?appid=72850


http://www.zenimax.com/external.php?locale=en-us&url=http://tesalliance.org/
http://www.zenimax.com/external.php?locale=en-us&url=http://skyrim.nexusmods.com/ (biggest Skyrim modsite)


Other Skyrim resources and tutorials sites
Changelog see post #2

http://www.creationkit.com (essential site for mod makers)
http://www.zenimax.com/external.php?locale=en-us&url=http://elderscrolls.wikia.com/wiki/Main_Page
http://www.zenimax.com/external.php?locale=en-us&url=http://tescosi.com/wiki/Main_Page (mainly about how to use mods, recommended)
http://www.zenimax.com/external.php?locale=en-us&url=http://www.uesp.net/wiki/Main_Page (all about the game and how to play it; many spoilers!)


Last updated August 08, 2013

History and Changelog of Thread

Thread started - August 08, 2013

1) Added the Steam Workshop

http://steamcommunity.com/sharedfiles/browse/?appid=72850? Love it or loath it, it exists and (with 16k + mods) is probably running second to TES Nexus in terms of size .

Added.