calibre - Ebook manager, viewer & converter
ClientBase - Travel Agency
FBReader - FBReader is an e-book reader for various platforms. Features:
Unit4 for Travel - Gain efficiency, live change and increase profitability with end-to-end ERP for travel management companies. Learn more about Unit4 for Travel.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Trams Back Office - Trams and ClientBase Products and Services