powershell-modules topic
PowerRails
Scaffolding for PowerShell scripts and modules
IT-ToolBox
PowerShell module implementing useful functions helping Systems Administrators in daily automation tasks
PSClassUtils
A set of utilities to work with Powershell Classes
PSStackExchange
PowerShell module to query Stack Exchange API
FormatPx
Better Formatting in PowerShell
Chronometer
A module for measuring performance of Powershell scripts, one line at a time
HistoryPx
Extended History Information and Last Output Support in PowerShell
PowerShellModulesCentral
Central repository with existing PowerShell modules and links to blog posts/videos that talk about or use them
Bash-Powershell-Guide
Bash/PowerShell Guide
poco
Interactive pipeline filtering in PowerShell (a port of peco).