LinkedIn Learning - Online training through LinkedIn's professional network.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Fluany - Everything you need to force your mind to learn
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.
Hackr.io - There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform