- CrossFire for MacOS, Windows, and Linux from Beekeeper Labs (currently in beta version)
- Black Ink for MacOS X from Red Sweater Software (future version)
- Krosswordz for MacOS X from tijej house (future version)
- Crosswords for iOS and Mac OS X from Stand Alone (future version)
- XWord for Windows (future version)
- XWordInfo will be supporting it for puzzle analysis.
Tools and Converters
- Puzzazz is supporting it for puzzle submissions.