Top 7 Open-Source Alternatives to OnceHub

The top open-source alternatives to OnceHub are FullCalendar, Crab Fit, and Cal.com. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

FullCalendar Landing Page
1

FullCalendar

FullCalendar is an open-source JavaScript event calendar.
Pricing:
- Open Source
#Appointments and Scheduling #Calendar #Appointment Scheduling 13 social mentions
Crab Fit Landing Page
2

Crab Fit

Use your availability to find a time that works for everyone
Pricing:
- Open Source
#Productivity #Appointments and Scheduling #Appointment Scheduling 2 social mentions
Cal.com Landing Page
3

Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.
Pricing:
- Open Source
#APIs #Open Source #Calendar And Scheduling 53 social mentions
Dudle Landing Page
4

Dudle

Dudle is an online scheduling application, which is free and open source.
Pricing:
- Open Source
#Appointments and Scheduling #Appointment Scheduling #Event Scheduling 3 social mentions
Calendar Landing Page
5

Calendar

Calendar app is an online calendar and team scheduling software for people like me and you. We make it easy to schedule appointments on your calendar.
Pricing:
- Open Source
#Appointments and Scheduling #Appointment Scheduling #Meeting Scheduling 2 social mentions
Prelude Landing Page
6

Prelude

Supercharge your hiring process & remove friction from scheduling.
Pricing:
- Open Source
#Security & Privacy #Security Information And Event Management (SIEM) #Recruitment
DaySchedule Landing Page
7

DaySchedule

Best appointment scheduling software to improve team efficiency, reduce no-shows, and organize all their meetings and calls on single platform!
Pricing:
- Open Source
#Appointments and Scheduling #Calendar And Scheduling #Appointment Scheduling 3 social mentions