Motion Firefox - All-in-one time management tool in Firefox

Pick - The simplest way to schedule a time to meet

Task Muncher - Task Muncher is a cross-platform and web-based application that is designed to organize and keep the track of everything and focus on munching the weekly tasks.

BookSpace - Bookings made simple for institutions.

Taskable - Using multiple work apps leads to tons of context switching, breaking flow and killing productivity.

MeetingPackage.com - Book meeting rooms & event spaces online globally just like you book hotel rooms or flights.