Statosphere 1.0 (by Chris O'Brien & Piotr Gajos)
Statosphere offers quick visual feedback to your Mac's vital activities, including CPU and RAM usage, network activity, airport wireless strength and battery level (if applicable).

iTattle 3.3 (by Whimsically Plucky Productions)
This application exclusively for Mac OS X 10.

AirTrafficControl 1.3b2 (by Mark Madsen)
AirTrafficControl is a tool for monitoring Apple Airport and other wireless networks.

iPulse 2.1.7 (by The Icon Factory)
Using its concise and pleasing user interface, iPulse graphically displays the inner workings of Mac OS X on the desktop or in the dock.

XNetwork 1.3 (by Jean-Baptiste LE STANG)

AirPort Monitor Utility 1.1.3 (by Matthew Ross)
The AirPort Monitor Utility allows you to view information about the Apple AirPort Base Station.

coconutWiFi 1.3 (by coconut-flavour.com)
coconutWiFi displays you a small aqua-bubble at the top of your screen which indicates whether you're in range of a wireless network or not.

miniStat2 1.88 (by ShockWidgets.com)
We're pleased to introduce the latest widget in the miniStat series.

AirStatz 1.0.1 (by thinkertons.com)
AirStatz combines an at-a-glance visual tool for evaluating your Airport™ connection with optional in-depth technical information.

Apple AirPort Extreme 2005-001 (by Apple)
AirPort offers the perfect wireless solution for home, business or school.

PPC2x86 0.1b (by Luke Lahnstein)
PPC2x86 is a Dashboard widget that counts down till the transition from PPC to x86 is meant to be complete.

MyResolution 1.1 (by Andrew Hedges)
MyResolution is pretty simple.

miniCpuHeat 1.3 (by PDAShock)
It’s necessary to control your Mac’s CPU heat, because in warm conditions a broken fan system can overheat and damage the CPU.

SysStat 2.0 (by iSlayer.net)
Allows you to view memory usage, CPU usage, network stats, uptimes, load averages and the top 3 process’s from one simple widget.

HardStat 2.01 (by iSlayer.net)
HardStat shows the amount of used and free space, plus total size of any local volume or AFP shared volume, including CDs and DVDs.