Omeka is an open source content management system that can be used to publish and exhibit online collections. Designed with non-IT specialists in mind, Omeka is an accessible program that can be of use to all digital scholarship projects, particularly those operating on a smaller budget or who do not have team members with extensive technical skills.
Omeka Classic is for individual projects and educators.
Omeka S is for institutions and classrooms that need a multi-site installation with shared resources.
Omeka.net is a hosted service option for Omeka Classic.