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.
Open Camera - Open Camera is an open-source camera app for Android phones and tablets.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Secure Camera - Modern camera app focused on privacy and security with QR & barcode scanning.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
PhotonCamera - Android Camera that uses enhanced image processing.