VRT GraphML palettes for yEd. Based on VRT extension for LibreOffice Draw.
Other formats:
- For Visio: https:/pafnow/vrt-stencil-for-visio
- For Dia: https:/cryptofuture/vrt-sheet-for-dia
- Open a .graphml-file
- Open Palette Manager
- Click New Section
- Choose Adopt from Document
- Choose an appropriate name
(thanks to Mitmisher)