Could be helpful for writing bots for import:

metafacture: large/popular java framework for pipelines and munging library
metadata.

    https://github.com/metafacture/metafacture-core/wiki

catmandu: large/popular set of perl libraries for munging bibliographic
metadata, including a DSL ("Fix"). Can also push/pull to backends.

miku/siskin: luigi and higher-level tool for running regular tasks.

    https://github.com/miku/span

miku/span: golang lower-level tools for parsing and normalizing specific
formats (including KBART, DOAJ).