BBEdit version 10 has the ability to open the contents of an ePUB file. You can edit the individual components of the ePUB - which, of course is actually a ZIPped file, and then re-save.
Just one problem ... calibre is currently suggesting that it doesn't work under Mac OS X 10.6. I am running this fine on 10.6.1 so maybe this has been fixed.
Flash Catalyst is a new professional interaction design tool for rapidly creating user interfaces without coding. This initial public beta release works with Flash Builder 4 for an integrated designer-developer workflow. Learn more….
Used up the tryout period and have now committed some money for real!
What a tremendous tool this is but wait…. I still have some niggles. I love it but how can I deal with all the other lovely tools that now clutter my applications folder. What shall I do with BBedit? And what of TextMate? My students need to use Dreamweaver (unfortunately), so I still need to know all about that too.