Second Life

Apez
Sells Second Life products, financial services, leasing, and banking services, all related to Second Life residents.
http://www.apez.biz/

Apolon Online
Motorized creation in Second Life. Lists slurls, links, and support pertaining to products.
http://www.apolon-online.com

Avimator
Offers an open source tool to create and edit avatar animations.
http://www.avimator.com

Bacobolo
Offers to sell linden dollars. Funds delivered in game within 8 hours.
http://www.bacobolo.com

B.Places
Offers to vote for favorite places in the game. Provides SLurls towards these places and HUDs to travel between b.places.
http://b-places.com/

Endemol Virtual
Consultants offering concept development and realization in virtual worlds, mirror worlds and augmented reality.
http://www.endemolvirtual.com

Gogolita
News, photos, and feedback about the game.
http://www.gogolita.com

Linden Blog
Includes news and tips for the game.
http://blog.secondlife.com/

Linden Lab
Game's editor. Presentation and news.
http://www.lindenlab.com/

My Freels
Offers 8 ways to make money in the game.
http://neograph734.awardspace.com/

My Second Life
Provides a list of locations to see.
http://www.mysecondlife.com

MyLindens.com
Offers marketing surveys to earn Linden dollars.
http://www.MyLindens.com

OnRez
Online market for resident created products. Offers free Second Life viewer, free product listing, forum, and blog.
http://www.onrez.com

Open Metaverse
Provides an open source server simulator. [Pre-alpha]
http://www.openmetaverse.org/

Phasing Grace
Includes perspectives on the trends, culture, technology and user experience within the game.
http://phasinggrace.blogspot.com/

Prim Perfect
Web magazine and weblog focusing on design of homes, furniture, gardens and landscapes.
http://www.primperfect.net/

Sculptypaint
Free download of software to create sculpted prims. Offers tutorials.
http://www.xs4all.nl/~elout/sculptpaint/

Second Life Cable Network
Virtual television delivering video clips of live events that occurred in-world.
http://www.slcn.tv/

Second Life Herald
Presents the game's events, news and author's tips.
http://www.secondlifeherald.com/

Second Life Project
Provides a collection of tools to build and manage projects in the game.
http://www.secondlifeproject.com

Second Life Videos
Provides a directory of movies shot in the game or about it.
http://www.secondlifevideo.com/

The Seventh Sun
Monthly paper providing coverage of issues, technologies, and culture.
http://www.theseventhsun.com

ShinyLife
Offers tutorials, free tools, artist exhibits, videos and events in Second Life.
http://shiny-life.com

SL Account
Offers an in-game transactions history tool.
http://www.sl-account.com

SL Exchange
Sells objects, clothes and others things used in the game.
http://www.slexchange.com

sl2go
Provides a directory of places including pictures, descriptions and direct links.
http://www.sl2go.com/

SLProfiles
Second Life online community for all residents. Provides help, blogs, forums, and product listings. A place to meet and establish online friendships and associations.
http://www.slprofiles.com

SLQuery
Provides an in-game search engine for objects and places.
http://www.slquery.com/

SLTweets
Enables researchers to add notes to places in the game and share them with others users.
http://www.sltweets.com

SLurl
Offers to create direct links to any place in the game.
http://slurl.com/

TinySL
Offers to compress slurls into short web addresses.
http://www.tinysl.com

Wikipedia: Second Life
Includes technical information, history and explanations about how the game functions.
http://en.wikipedia.org/wiki/Second_Life