kobo

https://github.com/Rain92/qt5-kobo-platform-plugin 
 https://github.com/NiLuJe/FBInk/tree/master 
 https://github.com/olup/kobowriter 
 https://github.com/koreader/koxtoolchain 
 https://github.com/Rain92/UltimateMangaReader 
 https://github.com/koreader/koxtoolchain 
 https://www.mobileread.com/forums/showthread.php?t=336210