Callendo is a scheduling application designed for organizing appointments, meetings, and events with video! Get up to 85% more meetings!.
Cost / License
- Paid
- Proprietary
Platforms
- Online



Apps similar to InviteOnce include Thunderbird Appointment, which is free and open source. Other options are Doodle, Calendly, Supercal and MeetWithMe. There's no shortage of Appointment Schedulers like InviteOnce, with more than 25 alternatives for the web, iPhone, Android, iPad and self-hosting.
Callendo is a scheduling application designed for organizing appointments, meetings, and events with video! Get up to 85% more meetings!.



Zencal is like Calendly, but free and with better teamwork. It allows you to add multiple teams and sync everyone’s calendars. It's easy to sell meetings as a subscription and multiple meetings in a batch.




AreYouFree is a free scheduling tool that combines group polls and personal booking pages in one platform. Create a poll with date or time options, share the link, and see when everyone's available — no account needed for anyone.

Bookable is a powerful scheduling platform designed to make appointment management effortless for small businesses, freelancers, and professionals. With its intuitive interface and seamless integration with popular calendar tools like Google Calendar, iCloud Calendar, and...

Simple Appointments is a highly customizable web application that allows your customers to book appointments with you via the web. It radically simplifies the process of scheduling events, meetings, appointments, etc. — It's free.

Hibox Scheduler is a completely free, cloud-based alternative to Calendly, Acuity Scheduling and other booking apps. No user or feature limitations. We host for you so no need to implement any code.




Timetics is an AI-powered scheduling tool for online and offline meetings and events. Get personalized meeting recommendations, seat arrangements, event management, and more.




Use your time efficiently by speaking to people when it is convenient for both of you, without scheduling a meeting. TAG allows you to make and receive calls only when you actually have the time to do so.


