Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
Planyway - Visual project management for Jira and Trello: manage resources, build project roadmaps, use time tracking.
SANeForce - SAN Pharma Sales Force Automation
Corrello - Dashboards for agile teams using Trello
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.