Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
MyCase - Practice More, Manage Less.
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.
BillMinder - BillMinder is for tracking the record of the bill due date and making it sure that you will never again get late in paying your bills at due date.
TimeCamp - Simple and robust time tracking app to help you stay on the same page with your team while working from home.