IGdm - Instagram direct messaging on your laptop
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.
PlanItUp - The easiest and fastest way to make plans with your friends
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Turnout - Make plans with text-based RSVPs
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.