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Framadate is an online service for planning an appointment or making a decision quickly and easily. No registration is required.

Dudle is an online scheduling application, which is free and open source. The user is able to schedule meetings or make small online polls. There is no e-mail collection or need for registration.

Nuages is a collaborative meeting poll system..Create polls easily, and publish them for your mates, in order to plan meetings and activities. It is build in python, using the django framework and a little of javascript.

Plan the time to have a meeting or event by co-ordinating availability with all the participants using this fuss-free online tool.

xoyondo makes it easy to schedule events, create polls and start private discussions. It is free - no registration required!

Omnipointment offers cooperative scheduling to find the best time for a group to meet.Key Features-------------------Time Grids: Visually present dates/times. Times display in user's local time zone to avoid confusion.Calendar Agnostic: Time grids let users without detailed calendars easily mark free time. Calendar users can import availability!One Touch RSVP: Availability is saved with a user, not just the meeting. When responding to other meeting requests in the same time range, your schedule will copyover automatically.Filtering: Easily see schedules of specific people or groups in your time grid so you can prioritize their attendance.Finalize Time: When a time is picked, users' availability updates automatically to prevent double bookings with other organizers. »

SelectTheDate.com helps planning meetings vacations and other appointments between a group of people.

A JavaScript event calendar. Customizable and open source.

Xandaro is a free scheduling software for small businesses that allows you to accept appointments online, send automated email/SMS reminders and manage your clients.

The world's simplest shared calendar.

Convenely is a simple and effective way to schedule meeting up with friends, spend less time organising them & more time with them.

Skeduly - Group scheduling made easy. Find the perfect time for your appointments in less than a minute.

ScheduleOnce is a meeting and appointment scheduling software that connects to your calendar and helps you save time, increase customer satisfaction and be more competitive. Whether scheduling group meetings or appointments for yourself, or accepting bookings in your enterprise, ScheduleOnce can adapt and scale to your needs.