Sigil
Úr Ásta
- http://code.google.com/p/sigil/
- http://lwn.net/Articles/456729/ Ebook editing with Sigil
- http://youtu.be/py5-AwmCP_0 How to Create a Master Ebook Template using Gutenberg and SIGIL
' http://portables.about.com/od/ebookreasers/a/Ereader-Sideloading.htm