x.ai - x.ai is a tool to schedule meetings for you and your team.
Fasterplan - Fasterplan is a collaborative tool that helps you and your friends/business partners to better...
Meekan - Connecting the world's calendars
Letsfind - Letsfind is a fast, easy-to-use, ad-free way to create online (meeting) polls.
DayViewer - All in one Online Calendar Planner & Organizer - with monthly, weekly and daily planner views. DayViewer online calendar planner lets you keep notes, manage tasks, create to do lists, track payments and more.
FreeBu - Smart free/busy calendar sharing and meeting organizer.