Bananatag - Find out what happens to your emails after you press send! Add email tracking, attachment tracking, email scheduling and templates to your daily emails.
Teamweek - A project management software to help you get the best overview. Plan fast, change plans faster!
GetNotify - GetNotify is a free email tracking software solution.
teamcheck - Daily planner for creative teams
Mailtrack.io - The best email tracking solution I've found. Free
SlimPlanner - Team scheduling, resource planning, task management