attending.io is described as 'Tiny event pages to ask people one question – are you attending? Twitter login'. There are more than 50 alternatives to attending.io, not only websites but also apps for a variety of platforms, including iPhone, Android, Windows and iPad. The best alternative is Eventbrite, which is free. Other great sites and apps similar to attending.io are Attendize Event Ticketing (Free, Open Source), Ticket19 (Paid), Ticket Tribe (Paid) and Ticketmaster (Free).
Attendize is an open-source event ticketing and event management application built using the Laravel PHP framework. Attendize was created to offer event organisers a simple solution for managing general admission events.
Ticket Tribe is a platform that streamlines selling tickets online. We offer everything you need to sell tickets to festivals, classes and seminars - whatever you can think of. You can sell directly from your own website or use our mobile optimised hosted event pages.
The Ticketmaster app is the best way to discover, buy, transfer and sell tickets to thousands of live music, sporting, arts, theatre, and family events. Buying tickets to your favorite events has never been easier.
Weemss is an All-in-One online event solution for any event of any size. Use it to handle registrations and check-in, offer reserved seating, manage an awards competition, sell concert tickets, or whatever your event needs.
Onlive is an end-to-end Event Management Solution for your online, in person or hybrid events. Onlive allows you to easily setup, manage and run your events, with an advanced set of reporting tools, organizers can go beyond numbers.