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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.

MIDAS is a powerful yet intuitive browser-based scheduling system that gives you complete control over your room bookings & resource scheduling. Accessed entirely from your favorite web browser, see at a glance when your bookings are scheduled, manage staffing & equipment, send confirmations & invoices to clients, take booking requests through your website, and put an end to confusion & double bookings once and for all!

Time Slots Booking Calendar PHP for online appointment booking and class scheduling.

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.

BookingBug is a multi-channel appointment booking platform that enables organisations to market and sell their services through multiple channels, spanning online, mobile, in-branch and call-centre. Whether a business takes bookings by the hour, day or week, or run events, classes or courses, BookingBug provides the tools to simply and securely manage multi-channel bookings from end-to-end. BookingBug also provides a series of advanced add-on features to help businesses manage, retain and upsell existing customers, attract new ones, run marketing campaigns and promotions, and analyse and use their booking data effectively. BookingBug has been built from the ground-up to work for all businesses types, from solo traders all the way through to governments and multi-national enterprises. BookingBug is a fully flexible, customisable platform that offers full API integration with other technologies, platforms, systems and processes. »

Launch27 is the online booking engine that's powered the crazy growth for tons of local businesses over the last few years. Our customizable booking form & real-time calendar make it simple for clients to book on your site. Use discounts to grow your number of recurring jobs. Customer ratings track client happiness after each service. convenient online credit card payments. Client behavior analytics to see how business is doing. Tons of automated features that eliminate time-wasting tasks. »

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.

Its like a personal assistant for your schedule--only better. With Acuity Scheduling, booking appointments with your clients & customers doesnt have to be a neverending time suck anymore. (Hallelujah!) Let your clients view your real-time availability, select the date and time that works best for them, pay in advance via Stripe, Paypal or Authorize.net, and even cancel or reschedule all on their own--without you having to drive yourself crazy.

EzyOnlineBookings.com is the easy to use yet powerful online booking system. It works right on your website, giving your customers an easy and pleasant booking experience.

Bookafy lets your customers book appointments with you and your staff online, 24/7. Giving your customers easier access to scheduling meetings, calls and appointments will improve your customer experience and your peace of mind.

We make Meeting Room Booking & Management fast, easy and free.

Pulse 24/7 offers online booking, schedule management, performance tracking, secure payment processing, social media scheduling, booking engine, feedback management, mobile apps, client management solutions.

BookingLive is an online booking system that gives businesses complete control and flexibility over bookings, reservations, communications and customers.