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


Karen is described as 'Meet Karen #1 free appointment scheduling platform used by multiple businesses. Karen is the only intelligent personal assistant that works 24/7, behind the scenes to fill your calendar and take work off your plate' and is a appointment scheduler in the office & productivity category. There are more than 25 alternatives to Karen for a variety of platforms, including Web-based, SaaS, iPhone, Self-Hosted and Android apps. The best Karen alternative is Thunderbird Appointment, which is both free and Open Source. Other great apps like Karen are Doodle, Calendly, TidyCal and Topmate.
Thunderbird Appointment makes it easy to find a time to meet. So you can ditch the admin and streamline your day.


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...

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.




Undock is a scheduling platform that integrates with Gmail, Outlook 365, Superhuman, LinkedIn, and Twitter. It functions as a calendar assistant, allowing you to share times or your entire calendar. It also enables instant meeting scheduling without checking your calendar.



Microsoft Bookings, part of select Microsoft 365 Copilot plans, is a simpler way to organize schedules and manage appointments.




Online platform providing 24/7 self-service booking for virtual classes, staff and resource scheduling, automated reminders, online payments, marketing automation, social media integration, deals, reviews, analytics, and calendar sync for engagement.



MyMeet.io simplifies scheduling, payments, and meeting handling for both professionals and clients, streamlining the entire process.







