Best Website :3

[Gwen]

Because I thought one huge list wasn't enough I'm back

What is one website that you use that contributes to your computing experience (Do not posts sites everyone knows like Youtube) I'll be checking this thread daily to update it so please do contribute :3
UPDATE 25/02/2013
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http://www.GOG.com/ (DRM-free games that are either $5.99 or $9.99)
http://www.humblebundle.com/ (Pay what you want for games)
http://www.mediafire.com (50GB free space, and no annoying waiting time to download)
http://virtualteen.org/forums (Duh)
UPDATE 26/02/2013
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http://kongregate.com (good site for free games including a shareware version of doom )
http://govteen.org/forums (for the few topics that are interesting there, like it here MUCH better, even though some of us are cocky just because of high rep.)
www.munidiaries.com (it's the one entertaining site my school doesn't block xD)
www.deviantart.com (I like artwork)
UPDATE 15/10/2014
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http://www.squirt.io (I use this on wikipedia and it helps me a bunch)
http://www.7cupsoftea.com (Another site to find people to talk to)
https://habitrpg.com/static/front (Helps get into some good habits)

[Rayquaza]

http://www.GOG.com/ (DRM-free games that are either $5.99 or $9.99)
http://www.humblebundle.com/ (Pay what you want for games)
http://www.mediafire.com (50GB free space, and no annoying waiting time to download)
http://virtualteen.org/forums (Duh)

[Twilly F. Sniper]

http://kongregate.com (good site for free games including a shareware version of doom :D)
http://virtualteen.org/forums (derp. That's where my homies live :3)
http://govteen.org/forums (for the few topics that are interesting there, like it here MUCH better, even though some of us are cocky just because of high rep.)

[Cognizant]

www.munidiaries.com (it's the one entertaining site my school doesn't block xD)
www.deviantart.com (I like artwork)
www.virtualteen.org/forums (uh...that should be self explanatory!)

[Gwen]

Bumpity Boo, Since I feel people can still make use of the websites or add their own.

[Typhlosion]

Talk about an OP bump!

I love...

metal-archives.com - The Metal encyclopedia
Stumbleupon.com - Great place to see more stuff that you're interested in.
Deviantart.com - Post your artwork here, and see others'!

I might post more later :3

EDIT:

Ooh, forgot last.fm, a site where you can, together with a plugin, track all the music you've listened to and, based off that, find new similar artists.

[Karkat]

http://duolingo.com- (http://duolingo.com) Learn another language for free!
http://codeacademy.com- (http://codeacademy.com) Learn how to code!
http://scratch.mit.edu- (http://scratch.mit.edu) A basic coding application. You can upload and share your creations as well!
http://liveplasma.com- (http://liveplasma.com) Find new music, movies, and more based on your interests.

[James Dean]

http://www.redbubble.com - you can design your own t shirts to make money, or browse through custom t shirts other artists made, and they are all organic and the quality is amazing. only buy when they have free shipping though. lol. :)
http://www.postsecret.com - my teacher told me about this. users can post secrets about issues in their lives.
http://www.urbandictionary.com - very funny. sometimes my classmates say stuff I don't understand and I don't feel like asking them and usually this site helps me out.