GitHub - WolfgangFahl/pynomina: personal accounting tool with file conversion looks quite impressive.
Supported Formats
Format Type Description Wikidata Entry Ledger Book YAML/JSON Hub Main format of pyNomina for converting between formats. Ledger Book Beancount Spoke A plaintext accounting format. Beancount GnuCash XML Spoke An XML-based format used by GnuCash. GnuCash Microsoft Money Spoke Zip File exported with mny_export script using mdb-tools Microsoft Money Finanzmanager Deluxe (QIF) Spoke A variant of QIF used by Finanzmanager Deluxe. Finanzmanager Deluxe Quicken Interchange Format Spoke Quicken Interchange Format (QIF) Quicken pyNomina Banking ZV YAML Spoke A format for exporting banking data in YAML or JSON. Banking ZV