SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
The Product Folks - A volunteer-led community of product managers and makers
SANeForce - SAN Pharma Sales Force Automation
Product School - The global leader in product management training
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
Intercom on Product Management - The ultimate resource for aspiring product managers