Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
YoruFukurou - YoruFukurou (NightOwl) is a Twitter client for Mac OS X, designed for Twitter addicts.
pretix - pretix helps you to sell tickets for your event in an easy way. It supports multi-lingual events and provides a wide range of features
Echofon for Twitter - Download Echofon apk 3.1.3.3 for Android. Echofon for Android - A super clean Twitter app
Ticket Tribe - Sell tickets online with no fees per ticket
Talon for Twitter - Elegantly designed, ad-free Twitter experience for Android