Second Life Marketplace

A place to purchase or obtain for free many items for your Second Life, items are delivered to you in world:
https://marketplace.secondlife.com/?lang=en-US

Second Life Homepage

Homepage of the Second Life website:
http://secondlife.com/

Second Life Help Page

Here you can search the Knowledge Base, Second Life Answers and the Forum for solutions to many Second Life problems:
https://support.secondlife.com/?lang=en