OnceHub Alternatives
OnceHub is described as 'A scheduling and chatbot solution' and is a appointment scheduler in the office & productivity category. There are more than 25 alternatives to OnceHub, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Self-Hosted apps. The best OnceHub alternative is Thunderbird Appointment, which is both free and Open Source. Other great sites and apps similar to OnceHub are Morgen, Lunacal, Calendly and Supercal.
Alternatives list
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.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)


+1
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.


+2
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.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)


+1
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.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)


+3
Cal24h is a Swiss-hosted online appointment scheduling software for independents, practices, and teams.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)



- 58 Kallnext alternatives
Open your office 24/7 and manage your appointments with a solution tailored for agents and agencies. Share booking link with potential buyers, track visits, and never miss an opportunity.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)



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.
Cost / License
- Free
- Proprietary
Platforms
- Online


+3
Timetics is an AI-powered scheduling tool for online and offline meetings and events. Get personalized meeting recommendations, seat arrangements, event management, and more.


+8
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.
Cost / License
- Paid
- Proprietary
Platforms
- Online

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.
Cost / License
- Free
- Proprietary
Platforms
- Online


+1
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




































