Demo Version

Beta Version

LiteShell commands

Incomplete

Complete

Network Size

Up to Six Nodes

Unlimited

System API

Not available

Available

Programming Support

Partial

Full Support

Sensing

Light, Temperature,

Accelerator

More Sensors

Communication

Primitive

More complete and stable

Autorun  applications

No

Yes

Wireless Reprogramming

Only User Applications

Support both user-level application reprogramming and OS-level self-update

System Tools

None

A suite of toolkit for system maintenance

First Release

July 30 2007 (version 0.1)

November 2007