Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Electron - Build cross platform desktop apps with web technologies
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
NW.js - nwjs
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.
DeskGap - Framework for building cross-platform desktop apps with web technologies (JavaScript, HTML and CSS).