Vista - PowerShell Toolbox

Microsoft PowerShell 2 CTP - Released 2nd of May 2008
PowerShell is an extensible command-line shell and associated scripting language from Microsoft.
PowerShell CTP V2 Download


ShinyPower
A small application that helps you browse the built-in help that comes with Powershell.
ShinyPower - Home

PowerGUI
Features both a script editor and a souped-up version of the PowerShell console that doubles as a fully-extensible administrative console.
Shell Tools @ PowerShell
PowerGUI Addons: PowerGui Library

PowerShell Community Extensions
A grab-bag of PowerShell cmdlets, functions, filters, and providers, all written by members of the PowerShell community...(clipboard, filesystem, registry, linux commands and more)
PowerShell Community Extensions Home

PowerTab
PowerTab doesn’t just show you one possible value, you to press TAB to see the next possible value and an IntelliSense dropdown list for selecting other commands without enterting the full command value.
The PowerShell Guy : PowerTab

PowerPad
Muti-line Powershell script editor/invoker all done Notepad Style.
PowerPad Details

The /n software NetCmdlets
Extend the features of PowerShell with a broad range of network management and messaging capabilities. The current release contains more than 30 Cmdlets providing access to network and host protocols such as SNMP, LDAP, DNS, Syslog, HTTP, WebDav, FTP, SMTP, POP, IMAP, Rexec/RShell, Telnet, and more.
/n software inc - NetCmdlets for Windows PowerShell

PolyMon
PolyMon is a server based system to monitor, measure, analyze and alert on a variety of network resources including CPU, Ping, WMI, PowerShell, SNMP, SQL, Disk, File, URL, TCP Port, etc. A...
PolyMon - Home

PoShMon
Allows you to interact with the PolyMon back-end system, allowing you to create monitors, associate operators, etc.
PowerShell Basics » PoShMon

PoshConsole
A more modern PowerShell Console.
PoshConsole - Home

PowerLocker
Encrypt your scripts for security or production control.
Product List

PowerShell Analyzer
A rich interactive environment for Windows PowerShell
http://www.powershellanalyzer.com/

IronPython
A implementation of the Python language running on .NET in PowerShell. It supports an interactive console with fully dynamic compilation. It is well integrated with the rest of the .NET Framework and makes all .NET libraries easily available to Python programmers, while maintaining full compatibility with the Python language.
IronPython - Home

Specops Command
Take PowerShell to every desktop and server in your network as well as making scripting even more powerful and easier to manage ANYTHING you can do with Windows PowerShell and do it on each computer in your entire network,
PowerShell Remoting

SAPIEN PowerShell Extensions
A collection of useful cmdlets to add into Windows PowerShell, such as logon script cmdlets for checking group membership, memory-inventory cmdlets, database cmdlets, and more.
SAPIEN Technologies - VBScript Editor, PowerShell Editor, ASP Editor, ActionScript Editor, PHP Editor, and more.

BGShell
A lightweight Shell replacement withFeatures: Tab expansion, Syntax highlighting, Tooltips, Tabbed interface and more.
BGShell - Home

WASP
WASP is a PowerShell snapin for Automation tasks like selecting windows and controls and sending mouse and keyboard events.
Windows Automation Snapin for PowerShell - Home

Windows Installer Powershell Extensions
Exposes Windows Installer functionality to PowerShell, providing means to query installed product and patch information and to query views on packages.
Windows Installer PowerShell Extensions - Home

PowerShell Trainer
A simple application that can be used to learn PowerShell using an interactive interface
PowerShell trainer - Home

PAWS - 24K
A web server written entirely in PowerShell and future Web Server Framework.
PowerShell Ad-Hoc Web Server (paws) - Home