Digital publishing includes the publication of online resources, collections, or catalogues and can involve the use of downloadable software or online platforms.
Omeka
Omeka is a publishing platform that enables users to share digital collections and create online exhibitions. Omeka is an intuitive, user-friendly web-based platform and can be used to exhibit materials. Omeka is a useful tool for collaborative, archival-focused projects. Omeka is a low-cost resource with the first tier available for only $35 which includes the hosting of two sites.
https://www.omeka.net/