JabRef has an exporter for the legacy format of Endnote (similar to refer). Although we have an importer for Endnote XML, an exporter is yet to be implemented.

Useful Links

• Zotero Endnote XML translator (Exporter)
• EndNote: XML Document Type Definition
  

  jabref/src/main/java/org/jabref/logic/importer/fileformat/EndnoteXmlImporter.java

  Line 49 in 748b0ee

  public class EndnoteXmlImporter extends Importer implements Parser {