SumatraPDF is described as 'Sumatra PDF is a slim, free, open-source PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI/FB2 viewer for Windows.Why another PDF reader?' and is one of the leading apps in the News & Books category. There are more than 50 alternatives to SumatraPDF for a variety of platforms, including Windows, Android, Mac, Linux and Android Tablet. The best alternative is PDF Reader, which is free. Other great apps like SumatraPDF are Foxit Reader (Free Personal), Okular (Free, Open Source), Evince (Free, Open Source) and PDF-XChange Editor (Freemium).
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- Android Tablet
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- Software as a Service (SaaS)