Building & Architecture
In here,you could find some good building tools,Builder Studios and some Texture Wizard.And Contains a number of helpful information guides for new players.

Clothing & Fashion
You can get dozens of SL tutorials on making clothes, jewelry,particles,hair,to sculpted p-rims.The latest vogue information in second-life,various custom texturing&shape services.

Textures & Prim Tools
Get high quality Textures for 3d and game design.Animated SL Textures from GIFs,Easy Texture by JeXTone allows a builder to easily apply any texture across any mix of prims!

Animation & Scripting
Avimator is an easy-to-use, open source tool for creating avatar animations for Second Life. LSL-Editor is a standalone Windows LSL script editor and run-time environment.