Tasker - Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts...
DeltaSalesApp - Field Sales Force Automation & Field Force Tracking Software
Automate - Automate various tasks on your Android smartphone or tablet.
ReachOut - ReachOut is a field service management suite to streamline field processes with customizable mobile-based forms and workflow.
Locale - Locale helps content owners and translators work together, so Rails developers are free to write more code
Service Cloud Field Service - Service Cloud Field Service is a cloud-based field service solution designed to initiate customer service activities from anywhere.