Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
GIMP - GIMP is a multiplatform photo manipulation tool.
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.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.