Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
Windows Contacts - Windows has many extraordinary organizers, and in the event that you include distributed storage, then you presumably have more.
MeetNotes - Increase Productivity with Meeting Notes Tool. More effective minutes, Prepare Agenda, Collaborative Notes & Action Items.
Flexibits - Makers of Cardhop, Chatology, and Fantastical.
Chili Piper - Chili Piper is an intelligent calendar for Sales teams, to book their own meetings or set appointments for other teams.
Apple Contacts App - Access and edit your contacts from personal, business, and other accounts with the Contacts app.