MRBS is a system for multi-site booking of meeting rooms. Rooms are grouped by building/area and shown in a side-by-side view. Although the goal was initially to book rooms, MRBS can also be used to book any resource; computers, planes, whatever you want
It's an online schedule, people can add appointments. You can add 'Groups', e.g. 'Work' or 'Home'. Each group has got it's own color. You can add an appointment to a group, so it's very easy to recognise each group or appointment.