Aviary is a suite of powerful creative applications that you can use right in your web browser. It’s also a community of friendly artists to share and collaborate with.

You can choose from a variety of tools:

• Image editor
• Vector editor
• Pixel pattern recognition
• Smart image resizer
• Painting simulator
• 3D modeler
• Audio editor
• Music generator
• Video editor
• Word processor
• Desktop publishing,
• Color swatches and palettes
• Visual laboratory

Is missing something? This is the best online tool for designers.  You can check some work http://a.viary.com/popular. They are really super-mega-beautiful for a web tool.

Some of them are releases and some are beta, I suggest that you should sign up.

http://a.viary.com/