Upcall - Upcall enables you to crowdsource your outbound calls. Collaborate with 1000+ on-demand callers worldwide for sales, marketing and customer support calls. Free trial.
CatLight - Shows build status in your tray
Veloxy - A sales enablement app. Your calendar on steroids!
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Streak for Mobile - The CRM for Gmail
CCTray - Display continuous integration status from most build servers.