ReachOut - ReachOut is a field service management suite to streamline field processes with customizable mobile-based forms and workflow.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
DeltaSalesApp - Field Sales Force Automation & Field Force Tracking Software
Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.
Service Cloud Field Service - Service Cloud Field Service is a cloud-based field service solution designed to initiate customer service activities from anywhere.
Cattr - Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux.