Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
GoPad for Schools - School Management
Odoo - An all-integrated business app suite to unleash your growth potential.
Tuio - Tuio is a billing and payment application that allow daycare centers and pre-schools to centralize and manage all parent billing and payment in one place.
Naologic - Speed up collaboration and work more securely with your partners, customers, and vendors by creating custom apps without a development team.