PlanSwift - PlanSwift allows contractors to create accurate project estimates specific to their individual trade.
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.
e-Builder - e-Builder is a construction program management solution that manages capital program cost, schedule, and documents.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
HCSS HeavyBid - Estimating software for the construction industry
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.