- BibDesk
- Bookends
- Calendar
- Delicious Library
- DEVONthink
- Evernote
- Finder
- FreeMind
- IAWriter
- Marked2
- Microsoft Word
- Notes
- OmniFocus
- OmniOutliner
- QuickCursor
- RIS files
- Scrivener
- Simplenote support
- Storyspace
- TaskPaper
- Tot
See also—notes linking to here: