Some additional repos to consider:
RecordManager — A metadata record management system written in PHP, intended to be used in conjunction with VuFind or another Solr-based discovery interface. Provides import, export, harvesting (OAI-PMH), normalization, deduplication and Solr index update functionality with support for multiple metadata formats. Also includes an OAI-PMH provider that can be used to access the data stored in RecordManager database. Functionality driven by simple command line programs for easy automation.Similar Applications
OaiPmh 0.5.20 — Abstract implementation for Oai-Pmh endpoint
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