Aspose.Cells for Cloud - Aspose.Cells for Cloud is a REST based API for processing spreadsheets in the cloud.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
EtherCalc - EtherCalc is a web spreadsheet.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
SSuite Axcel Professional Spreadsheet - This powerful and professional spreadsheet has all the tools you need to calculate, analyse, summarize, and present your data in numerical reports or colourful graphics.
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.