Smpl is a member management platform for modern subscription-based businesses. Whether you're running a coworking business, a makerspace, or a gallery, smpl seamlessly automates your member billing and invoicing, meeting room reservations, and communication in one place. Get started with smpl and be up and running within minutes.

Set a Time

Set a Time is an appointment scheduling software and scheduling app, that helps businesses accept and manage appointments, online.


BoothBook is a booking system and CRM for event rental businesses. Use Zapier to integrate data from Bookings, Leads and Payments.


inwink is an event intelligence platform that helps event organizers to manage the complete event life-cycle and addresses the needs of all stakeholders : manage event data, build event website, deliver amazing attendee experience, enable efficient collaboration with partners and maximize event ROI.


Lennd is festival and live event management platform that helps facilitate requests and approvals around passes, meals, inventory and more.

Backstage by NIGHTOUT

Backstage by NIGHTOUT is a complete event management system including event ticketing, marketing, entry management, and analytics.


InEvent is a software for corporate events.


HeySummit is a platform to help you increase engagement, conversions and revenue for your online summits.


LeadBooker is an advanced version of 30 years of lead managing knowledge.


For appointment-based businesses, Apptoto offers automated SMS text, email or voice reminders and online scheduling

AddEvent and your calendar software can be used for:

Transfer RSVP attendees to your calendar software

When you have created an event that requires RSVP, you can transfer the collected information entered by the attendee automatically to e.g. a contact list.


Add "add to calendar links" into your calendar confirmation emails

When your users RSVP for your event, use your connected calendar software to send a confirmation email. Use AddEvent's automated "add to calendar" functionality to create "add to calendar" links and embed that inside the confirmation email.

We support a wide range of most popular used calendar providers:
Apple Calendar, Google Calendar, Microsoft Outlook Calendar, Office 365,, Yahoo Calendar


Add an event to your AddEvent calendar

When your users sign up for e.g. one of your appointments, automatically create the event to your AddEvent calendar and display the events using AddEvent's embeddable calendar.


Using a service we don't yet cover?

If you use a service we don't yet offer an integration for, please let us know! Supporting an integration for that service might be only an activation away.