Thunderbird Appointment makes it easy to find a time to meet. So you can ditch the admin and streamline your day.


Appoint.ly is described as 'No back-and-forth emails, no double booking and only a few seconds to schedule an appointment with you. It's idea is simple: you create your calendar, set your availability and then share it with our clients or co-workers, who can easily schedule an appointment' and is a appointment scheduler in the office & productivity category. There are more than 100 alternatives to Appoint.ly, not only websites but also apps for a variety of platforms, including SaaS, iPhone, Android and Windows apps. The best Appoint.ly alternative is Thunderbird Appointment, which is both free and Open Source. Other great sites and apps similar to Appoint.ly are Cal.com, Lunacal, Doodle and Calendly.
Thunderbird Appointment makes it easy to find a time to meet. So you can ditch the admin and streamline your day.


Open-source scheduling tool offering self-hosted or hosted deployment, complete white-label branding, API-driven customization, data ownership, online booking management, flexible embedding, privacy, and integration for business meetings, seminars, and more.




Cloud-based scheduling platform featuring customizable booking pages, synchronization with major calendars, automated SMS and email reminders, team scheduling, support for paid sessions, location and service management, CRM connectivity, and GDPR compliance.




Doodle is the worlds leading online scheduling tool with a rapidly growing user base of more than three million unique visitors per month across the globe. It takes the pain out of finding the right date and time for a group of people to meet and makes scheduling virtually...





Calendly can connect with up to six of your calendars to automatically check availability and help you connect with your best contacts, prospects and clients.




Web-based scheduling platform offering unlimited meeting booking types, seamless calendar, video conferencing, and payment integrations, cross-timezone support, easy setup, embeddable booking pages, API automations, mobile-friendly interface, and notifications.




Topmate is a tool that connects creators and experts with their audience through one-on-one sessions, allowing users to share knowledge and monetize their time. Users create a personal link, list services, set availability, and establish charges, which followers can use to book...

Your smart assistant that automates bookings, reduces no-shows, and frees up your time for creativity.




Easy!Appointments is a highly customizable web application that allows your customers to book appointments with you via the web. Moreover, it provides the ability to sync your data with Google Calendar so you can use them with other services.




Cron Calendar brings the power and design of Cron’s macOS and Windows app to your phone. Schedule meetings and control your time like never before. Cron deeply integrates with Google Calendar accounts so that all your events and resources are synced.




A booking experience your clients will love. For small businesses, first impressions matter. YouCanBookMe is the most personalized meeting scheduler you can use to build your business. Bookers can overlay their availability to find the best time to meet. Powered by Capacity.




Automated AI assistant interprets email requests to handle scheduling tasks, coordinates and optimizes meetings, updates calendar availability in real time, and minimizes manual effort for professionals needing efficient, dynamic calendar management.


It's a voting system for events, not an appointment scheduler