Alternatives to Sigil Windows
Free (Open Source)
2
1 alternative to Sigil
Adobe has its own reader and manager for electronic books; be more comfortable when reading.
More alternatives a Sigil
Plug-in for Adobe ti play games in 3D and interactive anumations in the browser. Get more quality.
A Universal Viewer to display any kind of files that you may have.
One of the best programs for the interpretation of PostScript and PDF files.