Sumatra PDF
SumatraPDF, also known as Sumatra, is a free and open source PDF reader. The program also opens Open XML Paper Specification, DjVu, EPUB, XPS, CHM, CBZ and CBR, and MOBI files. It is written by Krzysztof Kowalczyk.
Read more about Sumatra PDF: Features, Development, History, Name and Artwork, Critical Reception, See Also