Top 5 mets open source projects

Kitodo.Production

Goobi workflow - Workflow management software for digitisation projects used in more than 70 cultural heritage institutions in at least 17 countries.

Command Line Interface (CLI) to export METS/ALTO documents to other formats.

Kitodo.Presentation is a feature-rich framework for building a METS- or IIIF-based digital library. It is part of the Kitodo Digital Library Suite.

Goobi viewer - Presentation software for digital libraries, museums, archives and galleries. Open Source.