Web Reviews

Color Pickers:

Kuler

Email/Webmail:

Gmail

Image Editors:

Picnik
Snipshot

Music:

Finetune

Office/Spreadsheets/Word Processors:

GreenDOC
Zoho Writer

Runtime Environments:

Adobe AIR (Apollo)

Web Design (WYSIWYG):

Freewebs
Weebly