Omeka.net provides free and paid hosting for Omeka sites, with different degrees of flexibility depending on the hosting plan.
Users can contact the Omeka Team to request a zip file with the files and MySQL database of their Omeka.net site to migrate it to another hosting environment.
The Open Harvester Systems is a free metadata indexing system that allowers users to create a searchable index of the metadata from Open Archives Initiative (OAI)-compliant archives, such as sites using Open Journal Systems (OJS) or Open Conference Systems (OCS). It can harvest OAI metadata in a variety of schemas (including unqualified DC, the PKP (Open Journal Systems/Open Conference Systems) Dublin Core extension, MODS, and MARCXML).
Philologic is a full-text search, retrieval and analysis tool with support for TEI-Lite XML/SGML, Unicode encoding, plaintext, Dublin Core/HTML, and DocBook.