The easiest free online schedule builder. Drag-and-drop interface, instant PNG export. No signup needed. PDF & AI tools available for Pro users.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)

Callendo is described as 'Scheduling application designed for organizing appointments, meetings, and events with video! Get up to 85% more meetings!' and is an website in the office & productivity category. There are more than 50 alternatives to Callendo, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Android and iPhone apps. The best Callendo alternative is Cal.com. It's not free, so if you're looking for a free alternative, you could try Cal.com or Supercal. Other great sites and apps similar to Callendo are MeetWithMe, TimeTuna, Easy!Appointments and Howie.ai.
The easiest free online schedule builder. Drag-and-drop interface, instant PNG export. No signup needed. PDF & AI tools available for Pro users.

Simplisik Booking is an appointment scheduling platform designed for small businesses, consultants, therapists, sales teams, and service professionals who want to eliminate scheduling back-and-forth without the complexity of enterprise solutions.




Scheduled247 is an online scheduling platform that allows businesses, entrepreneurs, and professionals to meet their clients in a very intuitive way without the back-n-forth emails or phone calls. Whether it is a one-on-one meeting or you're hosting a large event or webinar...




SuperSaaS caters to all types of scheduling needs from individual meeting scheduling, class scheduling, resource scheduling to service scheduling with multiple connected calendars.




OnSched is an appointment setting software with many other features. It allows service providers to optimize their time and minimize their administrative costs by keeping track of customer information.




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.




Sprintful is the most flexible, comprehensive scheduling solution. Create an on-brand web page for instant, hassle-free booking under your own domain name. Sprintful supports one-on-one meetings and group sessions.




AppointEze is a Cloud-Based Appointment Scheduling software that allows businesses and professionals to manage appointments and booking. This will help you engage your customers, run your business and attract new clients.
CalendHub syncs your calendars across Google Calendar and Outlook in real-time. See all your events in one unified view, avoid double-booking, and share scheduling links so others can book time with you. Privacy-first with full control over what gets synced.

Kalendar is a free, open-source scheduling tool that offers premium features like custom branding, unlimited event types, and two-way calendar sync without a subscription. You can vibecode any feature you want using the founding.dev platform.




Cale is an API-first appointment scheduling system that integrates easily with your application, providing businesses with a reliable way to manage reservations. It supports multi-tenancy, allowing you to handle multiple clients or environments (such as testing and production)...

